Pls help A typical ecosystem might include which of the following? A. Large and small mammals B. Microscopic organisms C. Birds, trees and flowers D. All of the above

What came first egg or chicken? and is tomato a vegetable or a fruit?

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.