Answer:
I think B is baby teeth and A is permanent teeth
a) Baby teeth doesn't fall on schedule and permanent teeth come in behind them this results is two rows of teeths.
I don't know exactly what you mean but the size of a group affects its defense because there is a larger group. Therefore, more people would be protecting it, adding more to its defense.
Answer:
Genetic pressure forces an animal to adapt to their environment, therefore changing their genetic code and contributing to genetic variation.
<span>How can a mutation in a DNA base sequence cause a change in a trait?</span>
Answer:
Yes, it is
Explanation:
It is polysaccharide type of carbohydrates which are macromolecules.