The presence of high levels of fecal coliform bacteria in a water source indicates that the water has been contaminated by untreated human or animal waste.
Your anwser is: The water is contaminated with animal waste. I hope this helped and Merry Christmas to you!
Drag each label to the correct location. Each label can be used more than once. In the image, balls that look alike represent the same type of atom.The atoms have formed molecules. Identify which molecules are elements, and which are compounds
Explanation about the molecules given below:
What are molecules?Its original definition, "the smallest unit of a material that yet preserves the qualities of that substance," was intended to be included by this designation. "An atom is a body that cannot be cut in two; a molecule is the smallest conceivable component of a specific material," wrote James Maxwell in 1873 when defining atom and molecule.
In this case, according to the given information, we can firstly bear to mind the fact that each ball color represents a different element, for that reason we can tell the following:
- Two black balls: they represent a diatomic molecule composed by two atoms of the same element.
- One black ball and two black balls: they represent a compound formed by two different elements.
- One gray ball and two black balls: they represent a compound formed by two different elements.
- Two black-dotted balls: they represent a diatomic molecule composed by two atoms of the same element.
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which of the following is not a normal response to physical exercise? multiple choice increased blood flow to the skeletal muscles increased blood flow to the abdominal viscera increased ventricular contraction increased heart rate
Increased blood flow to the abdominal viscera in digestive system is not a normal response to physical exercise.
How beneficial is physical exercise ?Exercise helps your circulatory system function more effectively and distributes oxygen and nutrients to your tissues. Additionally, you have greater energy to complete daily tasks as your heart and lung health improves.
In humans, increased sympathetic vasoconstriction, which reduces blood flow to the visceral organs during exercise, is accompanied by an increase in sympathetic neural activity in the working muscle group.
Your internal systems start sending signals to various body parts as soon as you start exercising, instructing them to respond in various ways. Your digestive system slows down so that your heart and lungs can take precedence, and your pupils enlarge, boosting the amount of glucose that is available in your blood for energy.
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As part of the nitrogen cycle, animals acquire some amino acids by doing which of the following?
answer choices
Breathing air
Eating plants
Drinking water
Producing waste
Animals, as part of the nitrogen cycle, acquire some amino acids by eating plants.
Thus, the correct answer is C.
What is the nitrogen cycle?The nitrogen cycle is а repeаting cycle of processes during which nitrogen moves through both living аnd non-living things: the аtmosphere, soil, wаter, plаnts, аnimаls аnd bаcteriа. In order to move through the different pаrts of the cycle, nitrogen must chаnge forms. In the аtmosphere, nitrogen exists аs а gаs ([tex]N_{2}[/tex]), but in the soils, it exists аs nitrogen oxide, NO, аnd nitrogen dioxide, [tex]NO_{2}[/tex], аnd when used аs а fertilizer, cаn be found in other forms, such аs аmmoniа, [tex]NH_{3}[/tex], which cаn be processed even further into а different fertilizer, аmmonium nitrаte, or [tex]NH_{4}NO_{3}[/tex].
Nitrogen is а key element in the nucleic аcids DNА аnd RNА, which аre the most importаnt of аll biologicаl molecules аnd cruciаl for аll living things. When plаnts do not get enough nitrogen, they аre unаble to produce аmino аcids (substаnces thаt contаin nitrogen аnd hydrogen аnd mаke up mаny of living cells, muscles аnd tissue). Without аmino аcids, plаnts cаnnot mаke the speciаl proteins thаt the plаnt cells need to grow. Thus, animals acquire some amino acids by eating plants.
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Most of the radiation incident upon the Earth falls within the ________ part of the spectrum.
A) short wave
B) long wave
C) infrared
D) x-ray
E) radar
Answer:
A) short wave
How does empathy help other people?
Empathy helps people to understand how others are feeling so we can respond appropriately to the situation.
Empathy is crucial because it allows us to understand how others are experiencing so that we can respond properly. It is commonly related with social behavior, and there is a large body of research demonstrating that increased empathy leads to more helpful behavior.
The researchers discovered that when individuals witnessed members of ethnic groups other than their own in pain, a brain region called the anterior cingulate cortex, which is frequently activated when we see others in suffering, was less active.
However, in other cases, feeling less empathy for a specific group of individuals may be beneficial. In a conflict, for example, it may be advantageous to feel less empathy for those you are attempting to kill, especially if they are also attempting to hurt you.
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How does the author use logos to support the argument?
The author use logos to support the argument made in Save the Coral Reefs by providing scientific evidence that humans are destroying coral reefs.
Using justifications, logos are literary devices that denote claims that persuade the reader of a particular idea.
In the essay "Save the Coral Reefs," the author employed logos to back up his claim by offering sufficient scientific evidence to prove that people are to blame for coral reef devastation.
He had explained the methods by which humans quickly damage coral reefs.
He produced this essay to persuade readers that coral reefs need to be preserved in order to protect the marine ecology.
Complete question:
How does the author use logos to support the argument made in Save the Coral Reefs?
A) by evoking in readers a sense of sympathy for the reefs being destroyed
B) by helping readers relate to the species that depend on the reefs to survive
C) by reporting observations of the reefs from personal scientific research
D) by providing scientific evidence that humans are destroying coral reefs
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What is the tRNA anticodon for TTT?
tRNAs with the TTT anticodon recognize the AAA codon, which codes for lysine.
An anticodon is a trinucleotide sequence that is complementary to a matching codon in a messenger RNA (mRNA) sequence and is found at one end of a transfer RNA (tRNA) molecule.
When translated, an mRNA codon is a triplet or triple-nucleotide sequence that specifies an amino acid. The anticodon, a three-nucleotide sequence on tRNA, binds to the proper mRNA sequence. Which amino acid is provided by the tRNA molecule is determined by the anticodon sequence. One amino acid and one anticodon are carried by each tRNA. The cellular machinery recognises that the proper amino acid is available to be supplied to the developing protein when the anticodon successfully couples with an mRNA codon.
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the respiratory system supplies oxygen to the blood in the body, while removing carbon dioxide. which system directly interacts with the respiratory system to maintain homeostasis?
The system directly interacts with the respiratory system to maintain homeostasis is nervous system.
The nervous system is the primary control system for homeostasis among all physiological systems. It monitors, responds to, and regulates all processes in the human body and other species. It works from the smallest level of individual cells to the entire body at once.
Inside and outside the body, receptors are continually monitoring situations and looking for changes. When a bodily system departs from its regular operating range and goes outside of its set point, signals are transmitted across the nervous system, triggering reactions to bring the system back into its typical operating range.
This is the homeostasis process. Over millions of years, very complex and sophisticated mechanisms have developed. Skin thermoreceptors and mechanoreceptors, for example, detect changes in temperature and pressure.
The signals transmitted from them to the brain allow them to recognize circumstances that might result in damage or death. This ability to sense and react to the environment is crucial for sustaining homeostasis in the body.
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What is the mutation that causes 70% of cases of cystic fibrosis?
ΔF508 mutation that causes 70% of cases of cystic fibrosis.
What is Cystic Fibrosis?Cystic fibrosis is an inherited life-threatening disorder characterized by damage to the lungs and digestive tract which affects the cells that produce mucus, sweat, and digestive juices, making these fluids thick and sticky. They then plug the tubes, ducts, and passageways.
It is a disease that is passed down through families and is caused by a faulty gene that causes the body to make an abnormally thick and sticky fluid, called mucus. This mucus is produced in the airways of the lungs and in the pancreas.
CF mutations are mainly caused by F508del which is thought to be a processing mutation. The F508del mutation removes a single amino acid from the CFTR protein.
Thus, ΔF508 mutation that causes 70% of cases of cystic fibrosis.
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How was Mendel able to cross pollinate his pea plants and keep them from self-pollinating?
Mendel had to prohibit self-pollination since he was only interested in the progeny of two distinct parent plants. The flowers of some of the plants used in his tests had their anthers removed. After that, he manually pollinated them using pollen from other parent plants of his choosing.
Pea plants self-pollinate by nature. Pollen grains from anthers on one plant are transferred to stigmas of flowers on the same plant during self-pollination. Cross-pollination is the process by which pollen from one plant fertilizes another plant of the same species. Hybrids are the children that emerge from such a cross. Any offspring produced by the mating of two genetically separate individuals is referred to as a hybrid in this context.
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The obligatory water loss needed to excrete metabolic wastes is ________ per day.
The obligatory water loss needed to excrete metabolic wastes is 400 ml per day.
The separation as well as elimination of metabolic waste from the body is referred to as excretion. This process involves many organs, including the lungs, gills, skin, and so on. The excretory system is made up of the kidneys and their ducts, which are the major full-time excretory organs.
In addition to a elimination of metabolic wastes, the excretory system maintains a proper water balance within the body: an equilibrium of water, inorganic salts, as well as other substances in the organism's internal environment. The problems of hydrological cycle encountered by marine, freshwater, as well as terrestrial vertebrates differ greatly, and it is remarkable that one‘s kidneys are so similar.
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What is it called when animals release carbon?
For a cell to produce the energy it requires, it must breathe. Cellular respiration is the term for this process. By mixing glucose with oxygen from the air, organisms create energy during the process of respiration.
Diffusion is the primary mechanism used to exchange gases. At the lungs' alveoli's surface, gases are exchanged externally. Internal gas exchange occurs at the tissue surface. Animals breathe, releasing carbon dioxide into the atmosphere and absorbing oxygen.
What is the term for the release of carbon by plants?Through respiration, plants release half of the carbon dioxide they have absorbed through photosynthesis into the atmosphere. Additionally, plants release oxygen into the air through photosynthesis.
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What are the 4 levels of protein structure what is unique about each different level?
Each cell has a complicated and closely regulated process that goes from gene to protein. Transcription and translation make up the first two primary phases. Gene expression refers to the combined effects of transcription and translation.
In what sequence are proteins made?The method by which proteins are made adheres to the principals of molecular biology, which serve as the foundation for all of the actions that occur in each and every cell in our body. The core dogma describes the transmission of information as taking place in the order DNA, RNA, and protein.
The process of copying DNA to create an RNA strand with a corresponding sequence is known as transcription. In order to create proteins, RNA is translated after that. Initiation and promoter are the key processes in transcription.
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What is the most important method of preventing infectious disease?
Answer:
hygiene
Explanation:
because prevent is better than cure to stop germs from spreading
What is the differences in reproduction between water and land snails?
Reproducing in water makes getting sperm to egg much easier for snails, whereas on land it is much more difficult to get sperm to egg.
What is the difference between the reproduction in land and a water snail?The majority of gastropods (snails) have internal fertilization, but some prosobranch species that have external fertilization.
Freshwater snail species are separately sexed. Males fertilize the female through copulation, and females attach their eggs directly to firm, clean substrates such as a rocks, logs, or aquatic vegetation in shallow water.
Aquatic snails have two tentacles whereas land snails have four. Eyes are located at the tips in land snails and at the base in aquatic snails.
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What happens in light-independent reactions of photosynthesis?
Using chemical energy that has been saved as a result of the light-dependent reactions, the light-independent reactions (Calvin cycle) "fix" CO2 and produce a substance that can be turned into glucose. The assembly of a glucose molecule is the ultimate goal of the Calvin cycle, often known as light-independent processes.
In the stroma of the chloroplast, the light independent process—also known as the dark reactions or Calvin-Benson cycle—happens. To create carbohydrates, carbon dioxide undergoes a sequence of chemical processes. ATP and NADPH produced during the light-dependent process provide the energy needed for these processes.
Fixation, reduction, and regeneration are the three fundamental phases that make up the light-independent processes, also referred to as the Calvin cycle.
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Which correctly identifies how natural selection causes a change in species over time?a. People choose mating pairs based on desirable characteristics.b. The environment favors those individuals with the best phenotypes for survival.c. If an anatomical feature is not used for several generations, offspring will cease to inherit that trait.d. There is a trend towards homozygous dominant genotypes becoming the most common in the population.
Answer: Because these traits are more desirable their more likely to mate, and reproduce because they can outcompete the other plants for water soil and nutrition.
Explanation: Think of it like this, the strong take what they want and the weak don't get a say. In nature this involves food and water so the weak die off from starvation or get eaten and so they don't get a chance to reproduce. The strong who survive do reproduce and so there traits get passed down while the weak die off
The environment favors those individuals with the best phenotypes for survival, correctly identifies how natural selection causes a change in species.
The evidence-based scientific notion of evolution through natural selection best explains the immense diversity of living creatures on Earth. Natural selection is the process by which particular hereditary qualities are preferred within a population, such as the color of a fish, a person's height, or the form of a leaf.
A population is a collection of creatures that mate and reproduce together. Thousands of years of selecting forces have produced the forms, colors, sizes, and behaviors that improve organism survival and reproductive success in their habitat of origin.
Survival long enough to transmit genetic material on to progeny is referred to as evolutionary fitness and success. Traits that are handed on to children because they help them succeed are "chosen for continuation." Traits that are removed from the population because they are detrimental to success are referred to as "selected against continuation."
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Which term refers to the unique stinging intracellular structures of cnidarians?
All cnidarians have nematocysts or cnidocysts as a common trait.
They are sizable organelles that are secreted by the nematocyte or cnidocyte, a kind of specialized cell, the Golgi apparatus. Nematocysts are mostly utilized for prey acquisition and defense, however they can also be used for movement. The phylum Cnidaria, which includes sea urchins, corals, hydroids, and jellyfish, is typified by cnidocytes, commonly referred to as stinging cells [1,2,3]. The cnida or cnidocyst organelle seen in these cells is the result of prodigious Golgi discharges. The stinging structures known as nematocysts are among the most common and varied cnidae, the complex internal structures that bind cnidarians together. Nematocytes are a kind of cell found inside the bodies of the numerous organisms belong to a Cnidaria phylum.
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Which of the following occurs during rapid eye movement (REM) sleep?
a. The muscles relax, and body temperature, blood pressure, heart rate, and respiratory rate fall.
b. The muscles are very relaxed and body temperature, blood pressure, and heart rate, and respiratory rate are at their lowest levels.
c. The muscles are paralyzed, and body temperature, blood pressure, and heart rate and respiratory rate increase.
d. A person falls into light sleep.
e. A person begins to relax and feels drowsy.
In the case of Rapid eye movement (REM) sleep - The muscles are paralyzed, and body temperature, blood pressure, and heart rate and respiratory rate increase.
Hence, statement C is correct.
Rapid eye movement Sleep is a distinct phase of sleep in mammals and birds, characterized by random rapid eye movement, low muscle tone throughout the body, and the sleeper's proclivity to dream vividly.Rapid eye movement (REM) sleep behavior disorder is a sleep disorder in which you physically act out vivid, often unpleasant dreams during REM sleep with vocal sounds and sudden, often violent arm and leg movements — also known as dream-enacting behavior.To know more about Rapid eye movement (REM) sleep here
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How do you grow a mongo seed in water?
To water-culture a mongo seed One to one and a half cups of warm water should be added to a large container, preferably one made of glass like a mason jar, along with half a cup of mung beans.
Rubber band a cheesecloth or paper towel to the top of your container to provide space for your beans to breathe.
Soak the beans for eight to twelve hours at room temperature to cause swelling. The following day, or at least eight hours later, strain your beans. You can drain the water from the jar's top by using a sieve or a piece of cheesecloth. Re-rinse and drain the beans. For two to five days, do this. If you keep a container of sprouting alfalfa in a bright window for a few days, the tiny leaflets will turn green.
Rinse well in a sizable bowl of fresh water. Get rid of the hulls that appear on the surface. Give your sprouts one last rinse, and then let them air dry in a colander entirely before putting them in the refrigerator. Any beans with no sprouts should be sorted. Put them in a plastic bag or jar and refrigerate it.
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How do biologists benefit society?
Understanding human biology is crucial for biologists. People can be kept healthy and effective medicine can be developed by researchers thanks to our understanding of how the human body functions.
How does biology influence society?which researches various illnesses and how they impact both human and animal bodies. It can also be used to create or find novel treatments for ailments for which there are no existing drugs.
How does biology affect society?Since both biology and society are emergent systems, ongoing research is required to comprehend how they are changing. In order to comprehend how they are evolving, it is necessary to study the two unavoidable biological need for existence and reproduction in a dialectical manner.
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________ animals have a top and bottom surface.
Animals with radial symmetry have only top and bottom surfaces; they lack front and rear surfaces as well as left and right sides.
The "oral side" and the "non-oral side" can be used to describe the two parts of a radial symmetry animal ("aboral side"). Animals can be categorized based on a variety of physical traits, including body covering, body form, appendages, and mode of movement. Body covering includes things like hair, fur, feathers, scales, and shells (e.g., walking, crawling, flying, swimming). Fish, amphibians, reptiles, mammals, and birds make up the five main groups that make up the phylum chordata (animals having backbones). All bilateral animal have an internal cavity or digestive system, and this cavity's tissue is produced from endoderm, the animal embryo's deepest tissue layer.
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A cell underwent mitosis but not cytokinesis. What would the result be?
A. One cell with one nucleus containing twice the normal number of chromosomes.
B. One cell with two nuclei, each containing a normal number of chromosomes.
C. Two daughters cells that are unusually small.
D. Two daughter cells twice the number of chromosomes.
Answer:
B. One cell with two nuclei, each containing a normal number of chromosomes.
Explanation:
Cytokinesis is the final step of mitosis in which the contents of the cell (cytoplasm and nuclei) are separated into two distinct, identical daughter cells. Mitosis without cytokinesis results in a cell with more than one nucleus but a connected cytoplasm (syncytium).
Each gram of fat you consume provides over twice as many calories as a gram of protein or carbohydrates. what does this tell you about your body’s ability to burn off these three fuels? which would require the most energy to burn?
Since each gram of fat you consume provides over twice as many calories as a gram of fat, this tells us that it requires more energy to burn off fats than it does to burn off protein or carbohydrates. It takes the longest amount of time to burn off fats, then proteins and carbohydrates are the easiest to burn off.
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Which property is shared by all living things?
Answer:
Living things have a variety of characteristics that are displayed to different degrees: they respire, move, respond to stimuli, reproduce and grow, and are dependent on their environment.
Explanation:
Glucocorticoid hormones activate genes that are involved in which of the following processes?
a. synthesis of glucose
b. mobilization of fats
c. breakdown of proteins
Glucocorticoid hormones activate genes
a. synthesis of glucoseb. mobilization of fatsc. breakdown of proteinsHence, all are correct.
The adrenal gland produces and secretes glucocorticoids, which are cholesterol-derived steroid hormones. They have anti-inflammatory properties in all tissues and regulate metabolism in muscle, fat, liver, and bone. Glucocorticoids also influence vascular tone and, in the brain, mood, behavior, and sleepwake cycles.In mammals, glucocorticoid hormones regulate vital body functions such as cell metabolism, growth, differentiation, and apoptosis.To know more about Hormones here
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Match each hormone with its stimuli. Gastrin D. A. Secretin Cholecystekinin A. low pH of chyme in duodenum B. glucose in blood C.Vagus nerve, food in stomach D. Amino acids/fatty acids in duodenum - - insulin
Hormone gastrin released in response of vagus nerve, food in stomach.
What are hormones?A hormone is a class of signaling molecules in multicellular organisms that are sent to distant organs by complex biological processes to regulate physiology and behavior.
Hormones are are the body's chemical messengers, sending signals into the bloodstream and tissues. Hormones work slowly, over time, and affect many different processes, including growth and development, metabolism.
Endocrine glands, which are special groups of cells, make hormones. The major endocrine glands are the pituitary, pineal, thymus, thyroid, adrenal glands, and pancreas.
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What would happen if the Golgi apparatus was missing from the cell?
Answer: The Golgi apparatus generates the lysosomes and the lysosomes get rid of waste.
Explanation: Lysosomes would not be generated in the absence of the Golgi apparatus, and the cell would eventually die as a result of the buildup of dead and damaged molecules and organelles. Materials would no longer be packaged or transported if the Golgi apparatus were absent. The cell's secretory functions would also stop.
Life as a Hunter Round 1: Life is challenging for a female lion in Etosha National Park. If a female's body size is approximately 130kg she must consume at least 13.500 kcal/day to survive and succeed in the environment. There are ample prey species available, but just living and breathing costs a significant amount of anor.nerday. This means that regardless of her hunting success, she will utilize energy for her resting metabolic rate. All animals have a reserve of energy stored as large molecules in their cells that they can use for activities throughout the day. Famalalinns have approacimately 15,000 kcal to expend during hunts and therefore, cannot expend more than 15,000 kcal for each hunt Your "kcal cash" will represent this useable amount of energy Materials: 10 - 1,000 kcal cash 10-500 kcal cash Listed below are four prey species lions will hunt and the energy costs and gains for hunting each type of prey. Mass of Total energy cost to hunt & kill Total energy available per kill (kcal) (kcal) Meerlcat 1 -3,000 +5,000 Warthog 60 log -5,000 +12,000 prey Item 0.77 kg Wildebeest 265 kg -10,000 +25,000 Zebra 310 kg -55,000 +170,000 Round 1: You are tracking a female lion. Determine how many of each prey species she would need to successfully hunt and eat to gain the amount of energy she needs per day (13,500 kcal). Remember, an Individual llon cannot expend more than 15,000 kcal per hunt. Use the following calculations to determine the net energy gained in Ilocalories for the table below. Lions rest-90% of each day, allowing for only 1-3 hunting events per day, depending on the stre of the prey. It can take a pride more than a day to fully consume a large prey. Minimum Energy cost Total energy cost Energy number of prey Is this spedes to hunt prey Net energy per prey available from worthwhile to hunted and (kcal) (must expendless pained than 15,000 this prey (kcal) hunt on your consumed (kcal) kcal/day own? Meeriat 5 - 3006 - 15,000 5,000 no Warthog 3 -5000 - 15,000 12,000 2 1,000 yes Wildebeest 1 -10,000 -10,000 25,000 yes Zebra - 55000 55,obo 170,000 60,000 no 1. Which is a better way to use their energy: hunting small prey more often or large prey less frequently? Explain your reasoning 110,000 75.000 I mink small prey move orten because one mey've easier to hunt take less energy and still you a good amount of calories like me wanting. give
Life is challenging for a female lion in Etosha National Park. If a female's body size is approximately 130kg she must consume at least 13.500 kcal/day to survive and succeed in the environment.
Which species are available there?
There are ample prey species available, but just living and breathing costs a significant amount of anor nerday. This means that regardless of her hunting success, she will utilize energy for her resting metabolic rate.
Famalalinns have approacimately 15,000 kcal to expend during hunts and therefore, cannot expend more than 15,000 kcal for each hunt Your "kcal cash" will represent this useable amount of energy Materials.
Therefore, Life is challenging for a female lion in Etosha National Park. If a female's body size is approximately 130kg she must consume at least 13.500 kcal/day to survive and succeed in the environment.
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