2 years ago

When doing medical research with human subjects, which four limitations are unavoidable?

1 answer:

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It's often impossible to repeat trials on the same subjects. 2-Subjects may report an inaccurate medical history. 3-It can be difficult to control all possible variables. 4-It's impossible to come up with testable scientific questions for human subjects.

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Which example best illustrates a condition necessary for natural selection to occur? Cheetahs have nearly identical genetic make

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<h3><u>Answer;</u></h3>

Some bacteria have very specific temperature requirements.

<h3><u>Explanation;</u></h3>

Natural selection refers to the process by which individuals that are better suited or adapted to their environment survive and reproduce most successfully; also called survival of the fittest.
Organisms with more advantageous traits for their environment survive and reproduce more often which causes traits in the population to change over time.
<em><u>Bacteria with specific temperature requirements will be well suited to those temperatures as compared to other bacteria and thus will reproduce successfully.</u></em>

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