Food Availability, Places to live, and water availability are all of an Ecosystem.

Which of these organisms have the greatest amount of cell specialized

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

How do you date a sample of rock that you suspect as being one of the earliest on earth