7 What characteristic could provide a species with a better chance of surviving a drastic environmental change?
A a small population size
B a highly diversified gene pool
specialized cells within the body
D many individuals with the recessive trait

Cuz i said so. which gives it to b

It depends on the surface of the levels. the rougher the surface, the greater is the frictional force. for rougher surfaces, you would need to exert greater force to move the object. the concept is that, you must overcome the frictional force in order to bring the object into motion. this is the reason why we add lubricants to the joints so they could easily move. this answer was on

Oi oi oi oi oi oi  i think it is true