Answer:
4.543 billion years
Explanation:
I looked it up on a wonderful search engine called g00gle
Answer: c. to have two copies of each chromosome
Answer:
C is the correct answer
Explanation:
The bubonic plague has reduced the world population from an estimated 475 million to 350–375 million.
Answer:
melanin affects how one looks (1st question)
cause and effect (2nd question)
Explanation:
for the 2nd question, its cause and effect because uv rays hit our skin and our skin is affected which gives us suntan.
B. synapomorphy
A synapomorphy is a shared apomorphy that distinguishes a clade from other organisms.
A clade also known as monophyletic group, is a group of organisms that consists of a common ancestor and all its lineal descendants, and represents a single "branch" on the "tree of life".
