Answer:
Question 1 : 1,3,2
Question 3: Not visible
Question 10: Disruptive Selection
Question 11: Animals have smaller ears to conserve body heat and plants have spines instead of leaves to reduce water loss.
Question 12: A trait that benefits an organism's ability to survive and reproduce
Answer: p53
Explanation:
In most cases, the p53 gene is mutated, giving rise to a stable mutant protein whose accumulation is regarded as a hallmark of cancer cells.
The answer is A; all of the above
Answer:
Explanation:
The first mass extinction is called the Ordovician-Silurian Extinction. It occurred about 440 million years ago, at the end of the period that paleontologists and geologists call the Ordovician, and followed by the start of the Silurian period. In this extinction event, many small organisms of the sea became extinct.
