Answer:
A. A change in the gene pool over time
Explanation:
The evolution is the change in the gene pool over time. Therefore, the option (A) is the correct answer.
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The cellular junctions and receptors help an organism maintain homeostasis is when <span>they carry signals throughout the body to maintain body functions</span>
Answer: I believe this answer is ''thin atmosphere.''
Explanation: With a thin atmosphere the temperatures can regulate quite a bit so it can't sustain it's own temperature for very long BECAUSE it has a thin atmosphere....
Answer:
I thiink that what you're talking about is a projector
<u>Answer:</u>
Discovery of vaccine for smallpox, viruses and actual organisms that cause many diseases lead to the development of Germ Theory.
<u>Explanation:</u>
- Theory was the 'predominant theory' of 'disease transmission' before germ theory but it is no longer accepted as a 'scientific theory' of diseases.
- 'Formal and reliable experiments' on germs and diseases relationship were 'conducted by Louis Pasteur'.
- He showed that growth of microorganisms was not a spontaneous generation and his pasteurization experiment provided key pieces of evidence that supported germ theory.
