The answer will be Phosphate groups, adenosine purine base.
In tropical climates, the temperature is almost constantly warm. Seasons don't change because of the location of tropical climates near the equator.
Answer:
Chloroplasts
Explanation:
Chloroplasts absorb sunlight and use it with water and carbon dioxide to make food.
During the Silurian Period, simple PLANTS began too grow on land and in damp trees
Answer - Speciation
Reasoning - Pretty much what has happen was the two species has evolved over the course of evolution if you want to put it that way why the are incapable of breeding.