BIOLOGY HIGH SCHOOL

A population of squirrels lived together in a forest. An event occurred that caused the population to diverge into two different species over a long period of time. Which of the following is most likely the event that occurred?

Answers

Answer 1
Answer:

Answer: A natural disaster occurred that separated squirrels.

Hence, this would be the answer.
Answer 2
Answer:

Answer:

B. A natural disaster that separated squirrels

Explanation:

I can confirm this is correct because I just did the test.

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A hypothesis is an "educated guess."
Why would too much salt intake cause someone to develop high blood pressure?A) Salt in the bloodstream causes fluids to enter the blood from surrounding cells, due to osmosis. B) Salt in the bloodstream causes fluids in the blood to leave and go to surrounding cells, due to osmosis. C) People that take in too much salt will drink more water to balance out the salt, which raises blood pressure. D) Extra salt solidifies in the bloodstream and blocks the blood vessels, causing them to narrow, and blood pressure to go up.

If dimples (D) are dominant to no dimples (d) in humans, what are all the possible genotypes of a man with dimples?

Answers

wouldn’t the dimples be Dd and de?

What theory says that all living things are composed of cells? It also says that cells are the basic units of structure and function in living things and that new cells come from existing cells. A. Evolution
B. Boveri–Sutton chromosome
C. Genetic determinism
D. Cell

Answers

The Cell Theory is correct.

What two cell structured work together in the process of protein synthesis

Answers

The correct answer for the question that is being presented above is this one: "(3) nucleus and ribosome." The two cell structured work together in the process of protein synthesis are the nucleus and ribosome.

Here are the following choices:
(1) nucleus and chloroplast
(2) ribosome and vacuole
(3) nucleus and ribosome
(4) mitochondrion and cell membrane

Down syndrome occurs when an individual has a mutation of chromosome 21. In what organelle does this mutation occur? A)cell wall B)genes C)mitochondria D)Nucleus​

Answers

Answer: B

Explanation: A chromosome is a long strand of DNA.  Your DNA is the sequence that holds the "info" to make a gene.
D) your dna is held in the nucleus and therefore would occur in the nucleus

Fungi of the phylum Basidiomycota form mycorrhizal associations with orchids, a type of flowering plant. How do these associations benefit both the fungi and the orchids?A. The orchids release enzymes to break down sugar for the fungi, while the fungi fertilizes the soil surrounding the plant.

B. The orchids gain nutrients and carbon dioxide from the fungi, while the fungi gain oxygen and sugar from the orchids.

C. The orchids receive water and oxygen from the fungi, while the fungi receive food and minerals from the orchids.

D. The orchids produce decaying material for the fungi, while the fungi provide structural support to the orchids.

Answers

The answer is; A

This is a symbiotic relationship. The mycorrhiza is harbored I the roots of the orchids. The fungi nitrify the soil around the plant. Therefore, the fungi make nitrates (which are critical for the growth of the plant) available to the plant. The fungi, on the other hand, are assisted in breaking down of large carbon polymers by the orchids because the plant’s enzyme is more powerful than those of the fungi.


Answer: A) The orchids release enzymes to break down sugar for the fungi, while the fungi fertilizes the soil surrounding the plant.

Which nucleic acid base is found in RNA but NOT in DNA?

Answers

Answer: It's uracil!

Explanation: The four nirogen bases in DNA are adenine, guanine, thymine, and cystosine. In RNA, thymine is simply replaced with uracil.

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John is a newly diagnosed diabetic that contacts the office with complaints of severe nausea and vomiting. What instructions should the APRN provide related to his insulin doses?
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In the following narrative passage, choose the line that is most likely an aside in a dramatic work.I was walking with Kira in the evening, and that was when she asked me the question I was avoiding. "Hey," she said, "do you want to go to that new superhero movie?" There were crickets and a deafening silence. Oh, how do I tell her I’ve already seen it with the guys without hurting her feelings! "Well, Kira, I’ve heard it’s not as good as the reviews make it out to be." I was relieved to see she bought that reason.