They are different ranks in a taxonomy hierarchy. The genus is more exclusive than the phylum.
Order:
Domain,
Kingdom,
Phylum,
Class,
Order,
Family,
Genus,
Species
Answer:
generic variation helps species survive because it gives there offspring there traits to survive
Explanation:
What is cell specialization?
Answer: cell specialization is an adaptation to do a particular job in a cell
The two serous membranes of pericardium are :visceral pericardium,parietal pericardium.