What are all of the populations living in an ecosystem called?

What are the non-living parts of an ecosystem called?

What is made up of all of the members of one species that live in an area called?

What does gradualism and punctuated equilibrium have in common

Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle

Which units ate used to measure both velocity and speed? check all that apply