1. Which structure is found in all animal cells?
Explanation:
The cell containing eukaryotic cell enclosed by plasma membrane and containing a membrane bounded both nucleus and organelles
What is the difference between decay and isotopes
Answer:
The radioactive decay causes emission of radiation. Unstable isotopes have a high number of neutrons or protons in their nuclei.
Which choice best summarizes the outcome of Redi’s experiment?
Redi precisely defined the word living.
Redi disproved spontaneous generation.
Redi showed that flies come from rotting meat.
Redi showed that living things can come from nonliving things.
Answer:
Redi disproved spontaneous generation.
Explanation:
CARRY ON LEARNING
Answer: (B) Redi disproved spontaneous generation.
Explanation: EDGE 2022
Which of the following steps is required to break down pharmaceuticals and pesticides in wastewater?
Aeration open basins
Ozonation and aeration
Biological nutrient removal
Grit and bar screening
Is needed to decompose pharmaceuticals and pesticides in wastewater ozonation and aeration
What is the ozonation process?Ozonation is a chemical oxidation technique that promotes the complete or partial decomposition of organic pollutants that are difficult to degrade.
With this information, we can conclude that is needed to decompose pharmaceuticals and pesticides in wastewater ozonation and aeration
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What is the economic importance of Taenia sp?
Answer:
Taenia saginata and Taenia solium are the two taeniids of greatest economic and medical importance, causing bovine and porcine cysticercosis and taeniasis in humans. In addition, T. solium eggs can infect humans, often giving rise to fatal neurocysticercosis (12, 39).
Explanation:
which time period was not engaged in science?
ancient Greeks
Medieval Europeans
Renaissance Europeans
scientific revolution
Royal Society of England
present day
How many ATP are used in the first half of glycolsis
is water capable of chemical weathering
?
Answer:
no no no no no no no no no no no no
What are some reasons organisms need nitrogen
Answer:
It is an important part of many cells and processes such as amino acids, proteins and even our DNA. Nitrogen is used to construct the basic building blocks of life, such as amino acids, nucleic acids, and proteins.
Explanation:
Which statement describes how the image represents the concept of a common?
Nutrient pollution can cause algae to grow.
Wildlife is negatively affected by algal blooms.
Runoff from many farms can cause water pollution.
Regulations can prevent the pollution shown in the picture.
Answer:c
Explanation:
Water pollution is the introduction of pollutants either naturally or due to human activities. Runoff from many farms can result in water pollution.
What are the causes of water pollution?Water pollution is the contamination of water sources with some pollutants which make the water unusable for the purposes like drinking, cooking, cleaning, swimming, and other activities.
These substances can be chemicals, bacteria, parasites, etc. All sorts of pollution make go to the water directly or indirectly.
One of the prevalent sources of water pollution is runoff from many farms.
Thus, the correct option is C.
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Which organism are primary consumer in this food web?
Beavertail cactus
:-- they are primary consumer because they produce the material and store the energy at the bottom of the food chain. In other words, all animals are dependent, either directly or indirectly on the food materials stored in plants.
red went to the doctor because his body was not producing semen. Which part of Fred's body was most likely functioning incorrectly to cause this problem.
scrotum
glands
urinary bladder
Answer:
Glands
Explanation:
Prostate Gland
This walnut-sized gland surrounds a portion of the urethra and produces some of the fluid in semen.
Answer:
The answer would be testes.
Semen or seminal fluid refers to the organic fluid which contains spermatozoa.
The semen is produced by testes and associated reproductive glands such as seminal vesicles, prostate glands, and bulbourethral gland.
The testes and other glands are located mainly in the scrotum of the person.
Thus, the testes and other reproduc
Explanation:
thats the right answer
DUE TODAY 60 POINTS
Which is an example of genetic drift?
A. Artificial selection creates vegetables resistant to insects.
B. Allele frequencies change randomly each generation.
C. Females choose mates, resulting in large males.
D. Polygenic traits change due to directional selection.
Answer:
i think the answer is b
Explanation:
B. Allele frequencies change randomly each generation
Answer:
B
Explanation:
Genetic drift is the alteration of different genotypes in a small population which can cause individuals and organisms getting wiped out, not being able to reproduce, and disappearance. Allele frequencies change randomly each generation in a gene pool (collection of different genes present in a particular population: species in this gene pool have a choice to leave the gene pool or die out).
Which gases are found in refrigerator?
Answer: Tetrafluoroethane, Chlorofluorocarbon, Polystyrene, and Acrylonitrile.
Hope this helps!
What is most likely result of a large asteroid hitting earth
Answer:
a huge amount of dust thrown up into the atmosphere.
Explanation:
"If the asteroid hits on land, there would be a huge amount of dust thrown up into the atmosphere. If it hits in water, then there would be an increase in water vapor in the atmosphere. This would result in an increase in rain resulting in landslides and mudslides."
Hope This Helped
witch best describs the theroy of evlotion
Charles Darwin’s theory of evolution states that evolution occurs by natural selection. Individuals in a species shows variation in physical characteristics. This variation is because of the differences in their genes.
What is evolution?Evolution is the process by which species adapt over time in response to their changing environment.
Individuals with characteristics best match to their environment are more likely to survive, finding food, avoiding predators and resisting disease. These individuals are more likely to reproduce and pass their genes on to their children.
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If the water temperatures increase in the estuary, oxygen levels would _____.
A: decrease
B: increase
C: stay the same
Hi there !
Why is biodiversity important ?
Thank you
Answer:
Biodiversity is necessary for all species on Earth, including humans, to function properly. We cannot have healthy ecosystems that give us with the air we breathe and the food we consume without a vast range of animals, plants, and microorganisms.
Explanation:
Answer:
Biodiversity is essential for the processes that support all life on Earth, including humans.
Explanation:
It is necessary to have limitations in an environment because if not:
Traits from species would get crossed.
Water and shelter would be automatically created by extra species that are new.
The populations of the world would soon crowd one another out and make conditions unlivable.
The world would balance itself out without problems.
animals.
Plants would take over the space of animals
Best guess is "The populations of the world would soon crowd one another out and make conditions unlivable."
What abiotic factors affect the
oceans?
A(n) _______ is an underground area where the rocks, gravel, sand, and clay are completely filled with water.
A: aquifer
B: point-source
C: watershed
D: water table
What complementary DNA sequence binds to this DNA sequence: A – G – T – A – C ?
a
C – A – T – G – A
b
T – C – A – T – G
c
U – C – A – U – G
d
G – A – C – G – T
Answer:
b) T-C-A-T-G
Explanation:
Apples are to Trees
as Cars are to Garages
adenine (A) pairs with thymine (T)
and
cytosine (C) pairs with guanine (G)
What are the differences between a roundworm and annelid?
Answer:
Annelids are segmented worms whereas roundworms are not segmented. Further, annelids have a true coelom while roundworms have a pseudocoelom. This means annelids have a well-developed mesoderm while roundworms lack a mesoderm.
About how much time has
gone by after the Moon circles
Earth once?
A 1 hour
B 1 day
C 1 month
D 1 year
3 paragraph summary (I'll give brainlist if you do it correctly)
Answer:
alright bet I got this
Explanation:
Have you ever wondered what can happen to those plastic bottles you toss away? How do they decompose? What happens to them? Its simple really, they get eaten! No, not by people of course they are eaten by a tiny critter called a wax worm. The wax worms earn their name because they are often found living in beehives where they eat the beeswax.
Wax worms much like mealworms are used to break down things that would normally be endangering to our environment. These seemingly useless little animals do a whole lot for our environment especially with the amount of waste we produce! They really are a tiny secret hero to todays pollution problem.
After quite a few studies scientists are still unsure on how was worms can breakdown plastic with their tiny bodies but they appreciate the work these little recyclers do. They have a lot of theories on how these worms do this one of the theories is that bacteria can break it down, another theory is that enzymes in the worms intestines break down plastics. Though scientists believe it will take a while to figure this out they enjoy studying and learning more about this tiny helper.
PLEAS HELP 50 POINTS
Which of these is a function of the placenta?
A. To store the embryo's wastes
B. To hold the fetus upside down for birth
C.To digest food for the fetus
D. To bring oxygen to the embryo's cells
Describe the structure of the digestive system.
Answer:
[tex]\bold{Structure \: of \: digestive \: system}[/tex]
The digestive system is made up the GI tract or digestive tract and the liver, pancreas, and gallbladder.The GI tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus. The hollow organs that make up the GI tract are the mouth, esophagus, stomach, small intestine, large intestine, and anus. The liver, pancreas, and gallbladder are the solid organs of the digestive system.The small intestine has three parts :The first part is called the duodenum. The jejunum is in the middle the ileum is at the end. The large intestine includes the appendix, cecum, colon, and rectum. The appendix is a finger-shaped pouch attached to the cecum. The cecum is the first part of the large intestine. The colon is next. The rectum is the end of the large intestine.PLEASE ANSWER 60 POINTS
Which of these is the strongest evidence that all organisms on Earth evolved from a common ancestor?
A. All organisms inherit instructions for their development in DNA.
B. Many species have body parts with homologous structures.
C. Major groups of organisms share a specific type of embryo.
D. The fossil record shows an example of every organism that ever lived.
what is tye effect of high concentration of O2 on respiration
Prolonged exposure to above-normal oxygen partial pressures, or shorter exposures to very high partial pressures, can cause oxidative damage to cell membranes, collapse of the alveoli in the lungs, retinal detachment, and seizures.
Why wind is the best energy for our future.
Because it is environmently friendly and doesn't cause air pollution.