Answer: = B
Explanation: It's a time consuming process .
Punctuated equilibrium has been a theory in evolutionary biology developed and coined by Stephen Jay Gould which talks about very rapid changes which occur in nature while on the other hand still having a lot of stable periods with plenty of change in general.
The correct answer for that reason would be B.
The immune system works with the digestive tract to help protect you from infection by these potential invaders. Your immune system also depends upon cells to kill invading organisms, and chemicals that don't require the involvement of cells at all, but which are simply toxic to bacteria and viruses. Acid in the stomach does the same thing.
Answer:
Polygenic inheritance
Explanation:
Polygenic traits have many possible phenotypes (physical characteristics) that are determined by interactions among several alleles. Examples of polygenic inheritance in humans include traits such as skin color, eye color, hair color, body shape, height, and weight.