Two species of closely related squirrels both feed on acorns produced by oak trees. One species feeds exclusively near the top of the tree and the other feeds exclusively towards the bottom of the tree. This is an example of resource partitioning.
Resource partitioning is the division of resources in an ecosystem to avoid interspecific competition for limited resources. It is an evolutionary adaptation that allows different species to coexist in the same ecological community. Resource partitioning studies aid in determining the impact of adding or removing a species from a specific habitat on the functioning of an ecosystem.
Organisms in an ecosystem require resources such as nutrients and habitats to grow, reproduce, and survive. In a habitat, there are limited resources for which all organisms compete. An ecosystem is home to thousands of species and is rich in biodiversity.
Interspecific and intraspecific competition are the two main types of competition. Interspecific competition is resource competition between individuals of different species, whereas intraspecific competition is competition within a species. Similar species have similar needs and compete for the same resources.
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Explain the difference between the different types of hormones. Be sure to address composition and method of attachment
There are different types of hormones, such as peptide hormones, amino acid hormones, and protein hormones such as insulin, glycogen, epinephrine, and norepinephrine, etc.
What are the various types of hormones?
The endocrine glands release hormones, and the hormones are different types, such as the amino acid hormones tyrosine and tryptophan, etc. The peptide hormones such as insulin, glucagon, etc. are made up of a short chain of amino acids. The thyroxine hormone is an amino acid hormone that has the receptor inside the cell, but a peptide hormone such as insulin has the receptor on the cell membrane.
Hence, there are different types of hormones, such as peptide hormones, amino acid hormones, and protein hormones.
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Please help! I can’t figure this out
In 100 to 150 words, compare and contrast the U.S Revolution and the South American Revolution.
Answer:
a
Explanation:
How do you think the term relates to the total number of genes a human inherits from his or her parents?.
The process by which instructions present in DNA are converted into proteins is called gene expression.
The term refers to the total number of genes inherited from a parent so that her one gene contains much of the information for building the proteins and hormones necessary for human growth. Gene expression is a term used to describe the transfer of instructions from DNA to proteins. This is a major process that helps the human body adapt to changing environments. It is the main factor controlling and regulating protein production. Transcription and translation steps are involved in the protein production process. Parents' traits, such as blood type and eye color, are passed on to their children. These are inherited through genes. It also transmits some diseases. Genes contain information about the amount of hormones and proteins produced by gene expression.
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A white carnation flower is cut and placed in a flask containing water mixed with blue food color. After some time, it is observed that the petals of the flower start turning blue. Which plant tissue is responsible for transport of the blue water to the flower?
*
1 point
Captionless Image
A) Xylem
B) Phloem
C) Stomata
D) Chlorophyll
Answer:
Which plant tissue is responsible for the transport of blue water to the flower? ANSWER: ( A ) Xylem
Explanation:
The xylem is a plant vascular tissue that conveys water and dissolves minerals, from the roots to the remaining of the plant, The Xylem tissue consists of a variety of specialized, water-conducting cells known as tracheary elements. Their main role is in the transportation of food.
The offspring of two true-breeding parents that differ in a single character are called single-character hybrids, or.
The offspring of two true breeding parents that vary in only one character are known as single character hybrids or monohybrids.
A monohybrid cross occurs when two true-breeding parents, that are distinct exclusively in the trait under investigation, mate and the resulting offspring are referred to as monohybrids or single character hybrids.
Mendel hypothesized after conducting seven distinct monohybrid crosses that each parent in such a cross passed on one of two paired unit factors to each offspring. Additionally, each and every feasible combination of these unit factors was equally possible. Mendel found that in the offspring in the F₂ generation exhibited a phenotypic ratio of 3:1.
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Mitchell and Emma are senior students that share a biology class. Their high school has a section on school property that has been used to grow various plants over the years. Each student is required to select a plant to study for their final project. The pictures show some of the plants that are grown on school property. The tulips, irises, and daffodils reproduce asexually. The snapdragons and the roses reproduce sexually.
Mitchell is interested in the snapdragons that reproduce sexually. He knows that purple (P) is dominant to white (w). Mitchell crosses a homozygous purple plant with a homozygous white plant. If he breeds two of the first generation offspring together, what percentage of the second generation offspring can Mitchell predict will most likely be white?
a. 25%
b. 50%
c. 75%
d. 100%
The percentage of the species that would be white in color is 100%. Option D
What is the percent of the white species?We know that the term genotype does refer to the sum total of the genes that an organism has acquired from its parents. The phenotype has to do with the traits of an organism that are expressed.
On the other hand, we know that the phenotype of the organism would actually be produced by the known genotype of the organism. As such, one of the species is PP and the other is ww. The offspring would have the dominant genotype of the snapdragons.
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in the past, decreasing fertility rates were associated with decreasing poverty levels (True/False)
In the past, decreasing fertility rates were associated with decreasing poverty levels is true.
Due to the fact that women are having too many children, which they are subsequently unable to maintain financially, in the majority of the world's poorest regions, poverty and high fertility rates are strongly related. A widespread misconception, nevertheless, holds that women can control their fertility rather than having social factors affect how many children they ultimately have. This myth is based on the notion of cause and effect, which holds that increasing a family's number of children will exacerbate their financial difficulties. However, studies show that having more children is not the main prerequisite for economic growth. Instead, having better social standing and access to education will lower mean fertility, which will lower poverty rates by raising a woman's income.To know more about fertility check the below link:
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What happens to the energy that is not transferred ina food chain
As a trophic level moves up an ecosystem, its energy content decreases. Only 10% of the energy at any given trophic level is transferred to the next level; the remaining 90% is primarily lost as heat during metabolic processes.
What do you mean by food chain?The passage of matter and energy from one organism to another in the context of ecology is known as the food chain. Food chains locally entangle to form a food web because most species consume more than one sort of animal or plant. Since plants convert solar energy into food through photosynthesis, they are the world's primary source of food. In a predator chain, a flesh-eating animal eats a plant-eating species. In a chain of parasites, a smaller organism consumes a larger host in part and may even turn into a parasite on itself. A saprophytic chain of microorganisms relies on dead organic materials for food.
Thus from above conclusion we can say that as a trophic level moves up an ecosystem, its energy content decreases. Only 10% of the energy at any given trophic level is transferred to the next level; the remaining 90% is primarily lost as heat during metabolic processes.
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what is the difference between the closed conformation and open conformation of chromatin packing? biology
The shape of chromatin, which can be either open (euchromatin) or compact (heterochromatin), is dynamically regulated during the phases of the cell cycle is the two types of conformations.
The main distinction between conformation and configuration is that whereas the configurations of the same molecule do not easily interconvert, their conformations do.With a predefined location in the nucleus and a certain form, such as metacentric, submetacentric, acrocentric, or telocentric, chromosomes are primarily heterochromatic in this stage.All DNA-mediated processes, including gene regulation, can be significantly impacted by the degree of nucleosomal packaging. While heterochromatin (tight or closed chromatin) is more compact and resistant to factors that need to access the DNA template, euchromatin (loose or open chromatin) structure is permissible for transcription.
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What doe it mean to be heterozygou for a trait?
Give an example of heterozygou allele
A heterozygous trait means that the allele for that particular trait have been inherited from two different biological parents.
In terms of genetics, being heterozygous means having inherited various alleles (variations) of a certain genomic marker from each biological parent. For instance, having one allele for red hair and one allele for brown hair could indicate that you are heterozygous for hair color. Which traits are expressed depends on how the two alleles are related.
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A dog help the human find food, and the human i able to capture prey eaier then the dog. In other word they both benefit in thi interaction thi would be an example of
More than any other domestic species, dogs have been a part of human societies for a very long time. They best represent the function of companion animals than any other species.
The tight ties that develop between species pairs are referred to as symbiotic interactions. They take in many different shapes, including parasitism (when one species gains while the other suffers) and commensalism (where one species benefits and the other is neither harmed nor helped).
Mutualism is a sort of symbiotic association in which all of the participating species gain from one another. Even though mutualism is extremely complicated, it may be loosely divided into two different kinds of relationships. Some species are completely dependent on one another (obligate mutualism), whereas others benefit from their interaction yet might thrive separately (facultative mutualism).
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what type of autopsy consists of the examination of the contents of the cranial and ventral cavities? cranial abdominal pelvic complete thoracic prev submit
The pathologist will make a cut across the crown of the head, from the bony bump behind one ear to the bump behind the other, if a brain autopsy is necessary.
An autopsy called a necropsy is what?The examination of an animal after death is known as a necropsy. A necropsy is often performed to identify the cause of death or the severity of the illness. A thorough procedure of dissection, observation, interpretation, and documenting is required for this.
What is an autopsy with an exterior examination?The term "external inspection" refers to a thorough description of the deceased's remains, including any scars, incisions, devices, tattoos, etc. The body is not cut within, and the organs are not looked at.
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Introducing Solid Foods Now that Quinn is five months old, her mother is wondering if she is ready to start solid foods. Click to select the factors that indicate Quinn is ready for solid foods. לו Quinn can sit up with support Quinn no longer pushes food out of her mouth with her tongue Quinn can control her own head and neck. Quinn can hold a spoon Reset
Quinn can sit up with support, Infants no longer pushes food out of her mouth with her tongue, Infants can control her own head and neck.
What are the signs of readiness for baby food?The elimination of the extrusion reflex (which propels the tongue forward and forces food out of the mouth) head and neck control, and the capacity to sit up alone are three physical indicators that a kid is ready for solid meals. Infants require extra minerals (particularly iron) that are provided by solid meals after the age of six months. Prior to then, breast milk or formula may usually satisfy their demands.When a baby is developmentally ready for solids, among other things, they can sit up properly without assistance. Baby no longer reflexively thrusts his tongue out of his mouth to eject food since he no longer possesses the tongue-thrust reflex. Baby is willing and ready to chew.To learn more about extrusion reflex refer,
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The vast fingerprint database held by the FBI can be scanned and is digitized by what instrument or technology?
Answer: computers.
Explanation: The database would cease to exist without the invention of computers and/or technology.
Which of the biomolecules is the best choice for animals during hiebrnation? why?.
Macromolecules contain infinite amounts of energy. Animals that use to hibernate in the winter relies on fats . Fat will break down over a longer period of time than carbohydrates and helps the animal to survive during winters.
For hibernation , animals need to stuff themselves with food as many as possible. Eating more food than usual, helps animal to build up extra layers of fat.
During the process of hibernation, the animal's body will feed on this fat to keep itself alive. These Extra amount of fat can also helps the animal to stay warm when they are not moving. The brown fat forms patches near the animal's brain, heart and lungs and white fats are present in rest of their body .
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Francesco Redi performed an experiment in 1668. In the experiment, he placed rotting meat in two jars. The first jar was left open. After a few days, fly larvae were found on the decaying meat inside. The mouth of the second jar was covered with gauze. After a few days, the decaying meat inside was free of fly larvae, but larvae were found on the gauze. This experiment supports the hypothesis that.....
Answer:
The experiment performed by Francesco Redi supports the hypothesis that fly larvae only come from adult flies based on his experiment design using a covered-meat and non-covered meat. In addition, he also believed that maggots came from the fly rather than from the rotten meat by using the same experiment design.
How are the male and female reproductive systems similar in function, organs and organ structure, and
hormones?
Reproduction is the process through which creatures produce offspring, to put it simply. All living things share this miraculous quality, which distinguishes them from inanimate objects. However, even while a species' reproductive system.
Two different types of gametes, or sex cells, are used in human reproduction. The female reproductive system must bring together sperm, the male gamete, a secondary oocyte, the female gamete, together with the first polar body and corona radiata, in order to produce a new individual.
Similarities:
Male and female reproductive systems have some fundamental similarities and some specialized distinctions. They are similar because they are homologous, which means that the majority of the reproductive organs in both sexes grow from the same embryonic tissue. Gonads, which generate sperm, eggs, or ovums, and sex organs, are present in both systems. Additionally, the reproductive organs in both systems mature and develop sexual function during puberty as a result of gonads secreting sex hormones.
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Where does ingestion takes place in the human body?
Answer:
the mouth
Explanation:
food enters the body through the mouth where it is made smaller for the stomach and esophagus by the teeth.
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A helper T-lymphocyte becomes activated by a(n):
Plasma cell
Antigen presenting cell
B-lymphocyte
Memory cell
A helper T-lymphocyte becomes activated by Antigen presenting cell.
What is Antigen presenting cell?Pay attention to how it sounds. Zen-ting sel (AN-tih-jen-preh) a particular class of immune cell that stimulates immunological responses by exposing immune system cells to antigens on its surface. A particular class of phagocyte is an antigen-presenting cell.The three main antigen-presenting cells are B lymphocytes, macrophages, and dendritic cells. T lymphocytes are given extracellular antigen to be cleared by these cells.Dendritic cells (DCs) and B cells are examples of traditional antigen-presenting cells (APCs) (10). APCs must first recognize and bind their target in order to launch an immune response. APCs express antigen-specific surface receptors, such as pattern recognition receptors, to do this (PRRs).To learn more about Antigen presenting cell refer to:
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what is the relationship between chromosomal instability and cell proliferation characteristic of tumorigenesis?
The likelihood of obtaining cells with a higher rate of proliferation increases with increasing chromosomal instability.
What traits do cancers possess?Cancerous and postoperative pain, the inhibition of antitumor immunity, tumor angiogenesis, tumor proliferation, development, and metastasis, as well as mental depression, are all clinical biological symptoms of malignancies.
What features distinguish an tumorous cell growth?Uncontrolled cell division as well as the inability of their wear are features of tumor cell proliferation.Additionally, tumor cells are more likely to survive.Resistance to apoptosis (the body's natural death process) is acquired by tumor cells.
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A student designed a model of active transport. In order to refine the model to be more accurate, what should be added to the diagram?
O The addition of ADP being converted to ATP should be added to the model to show that energy is being stored during the process.
O The addition of ATP being converted to ADP should be added to the model to show that energy is being used to transport materials.
O Nothing should be added
D-
The exact cause of ADHD is not well known, however, some of the factors, which can lead to the condition. These are as Genetic factors, as ADHD seems to run in families.
What is chemical imbalance?Chemical imbalance taking place in the brain, Infections, poor nutrition, smoking, substance abuse at the time of pregnancy, and drinking.The toxins like lead can influence the development of the brain of a child.
A brain disorder or brain injury, that is, destruction to the frontal part of the brain can result in the issues associated with ADHD. a drug that can be used to treat attention deficit hyperactivity disorder (adhd).
Therefore, The exact cause of ADHD is not well known, however, some of the factors, which can lead to the condition. These are as Genetic factors, as ADHD seems to run in families.
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what equalizes the pressure in the middle ear cavity with the external air pressure so that the tympanic membrane can vibrate properly
The eustachian tube generally maintain the pressure so that the tympanic membrane can vibrate properly.
The eustachian tube is a connection among the center ear and the lower back of the nostril and top throat. Swallowing or yawning opens the eustachian tube and permits air to circulate or out of the center ear.
This allows equalize strain on both aspect of the ear drum. The motive of the Eustachian tube is to offer sparkling air to the center ear area and to equalize strain among the outer ear and the center ear.
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prophase i accounts for over 80% of the time that the primary spermatocyte spends in meiosis i. why do you think so much time is needed in just this one stage
The reason why prophase 1 takes so long is because the cell must go through homologous recombination and cell checks to ensure that crossovers are finished before entering metaphase 1.
How many spermatozoa can be produced from a single primary spermatocyte?Each primary spermatocyte that goes through meiosis develops into four sperm. During pregnancy, stem cells are implanted, and they are still there at delivery and the start of adolescence, but they remain dormant.
What do people refer to when they produce male sperm cells?Male germ cells are created in the seminiferous tubules of the testes from a self-renewing stem cell pool throughout life, from adolescence to old age. Spermatogenesis refers to the entire process of developing germ cells.
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what triggers a b-cell to proliferate and differentiate, and what cell types/functions this creates
Creation of fully developed immune-competent B cells maturation. Maturity-dependent B-cell activation and differentiation into plasma cells and memory B cells.
B-cell production starts in the embryo and continues throughout life.Major locations of B cell maturation before birth include the yolk sac, foetal liver, and foetal bone marrow.Following birth, hematopoietic stem cells in the bone marrow produce mature B-cells (HSC).The HSC first divide to create lymphoid progenitor cells, and these cells subsequently differentiate and maturation into progenitor B-cells (pro B), which express a transmembrane tyrosine phosphatase known as CD45R and a signalling molecule known as Ig/Ig that is later identified linked with the membrane-bound antibody.Pro-B cells furthermore exhibit CD19 (part of co-receptor),CD43 (leukosialin), CD24 (heat stable), and C-kit are present on the surface of Pro-B-cell.To know more about b-cells check the below link:
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How could you identify if a substance is an element ?
Answer: A substance that cannot be broken down into chemically simpler components is an element.
Explanation: Aluminum, which is used in soda cans, is an element. A substance that can be broken down into chemically simpler components (because it has more than one element) is a compound.
Think about an area in your neighborhood or city that has changed. Maybe a shopping center
was built over what was once tree-filled land. Maybe a park was put in where an empty lot onces
stood. Explain the change and whether you think the area is going through primary succession
or secondary succession at this time. Why?
Maybe a shopping center was built over what was once tree-filled land - this is a secondary succession.
Maybe a park was put in where an empty lot ounces stood - this is a primary succession.
What is succession?During succession, certain species' colonies expand and their populations grow, while others' populations drop and even perish. It is the methodical advancement of different sorts of organisms entering a region. Primary and secondary succession are the two basic forms of succession.
Primary succession - The process of a community's growth in an area that was formerly inhabited, barren, vacant, and where no early vegetation was discovered is known as primary succession.
Secondary succession - Secondary succession is characterized as the formation of a community in regions that were formerly populated, inhabited, and had primary vegetation but was disrupted or damaged owing to external or internal reasons.
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Which efferent pathway has a single nerve fiber extending from the cns to effector?.
Somatic is a efferent pathway has a single nerve fiber extending from the CNS to effector.
The nerves that travel to and from the spinal cord and transmit signals to and from the muscles and senses are collectively referred to as the somatic nervous system (SNS). Efferent routes, which control motor functions involved in movement of the body and limbs, typically transmit information from the spinal cord to the muscles.
Axonal projections that leave a region are referred to as efferent nerve fibers, as opposed to axonal projections that enter the region. In the context of the central nervous system (CNS) and peripheral nervous system (PNS), these terms have a slightly different meaning.
Hence, somatic is a efferent pathway of a single nerve fiber.
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Somatic is an efferent pathway with a single nerve fiber extending from the CNS to the effector.
The nerves that enter and leave the spinal cord and carry signals to and from muscles and sensations are collectively called the somatic nervous system (SNS). Efferent pathways, which control the motor functions involved in body and limb movements, normally transmit information from the spinal cord to the muscles. Axonal projections exiting a region are called efferent nerve fibers, as opposed to axonal projections entering a region. It is associated with the central nervous system (CNS). and peripheral nervous system “PNS.” These terms have slightly different meanings.
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Please help ASAP! I will mark brainliest! Compare and contrast the lytic and lysogenic life cycles of viruses. How does the virus reproduce in each of these life cycles? What happens to the host cell in each of these life cycles?
The lytic cycle of a virus involves the death of host cells, while the lysogenic life also involves attachment, entry and integration but it does not cause the death of host cells.
What are the lytic cycle and the lysogenic cycle of a virus?The lytic cycle and the lysogenic cycle of a virus represent different adaptive mechanisms to perpetuate that viruses have, which may involve the death of the host cell as occur in the lytic cycle.
The phases of the lytic cycle in viruses include:
Attachment and entryTranscription of the viral sequenceMaturation Lysis of the infected bacteriaThe phases of the lysogenic cycle in viruses include:
Attachment, entryGenome integrationMaturation of the viral componentsCell divisionThe host cells die in bacteriophages after the lytic cycle, while they may survive or not (it depends on the manipulation of the hots cel's molecular machinery) after the lysogenic cycle.
Therefore, with this data, we can see that the lytic cycle and the lysogenic cycle of a virus are distinct in the sense that the lysogenic cycle does not involve the death of host cells.
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A 0. 2121-g sample of an organic compound was burned in a stream of oxygen, and the co2 produced was collected in a solution of barium hydroxide. Calculate the percentage of carbon in the sample if 0. 6006 g of baco3 was formed.
The proportion of carbon within the pattern if 0. 6006 g of baco3 was shaped
BaCO3 = 0.6006 g/ 197.34 g/mol=zero.003043
Moles carbon in the sample = 0.003043
mass C = zero.003043 mol x 12.011 g/mol=zero.03656 g
% C = 0.03656 x 100/ 0.2121 =17.23
Natural compounds are a substance that includes covalently- bonded carbon and hydrogen and often with different elements. organic compounds examples are benzoic Acid, fragrant compounds, benzoic aldehyde, propanoic acid, butanoic acid, malonic acid, amines, heterocyclic compounds, VOC, benzoic acid, and diethyl malonate.
Of the numerous forms of organic compounds, four important classes are located in all residing things: carbohydrates, lipids, proteins, and nucleic acids.
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