Answer:
genes
Explanation:
the Gene Contains The Genetic Material Called DNA.
You have the bone marrow and the circulating blood
Answer:
unlighted bulds i believe :/
Explanation:
When the continents separated, organisms were forced to be placed in different locations with different environmental conditions. In order to survive in their new environment, over time, various flora and fauna developed various body mechanisms to cope up. This brought up the speciation of flora and fauna.