By studying fossils, scientists have learned that
neither animals nor plants have changed over time.
both animals and plants have changed over time.
animals have changed over time, but plants have not.
plants have changed over time, but animals have not.

What contributes to the high level of biodiversity found in wetlands? a. the large amount of available organic matter to organisms that are food for larger organisms b. the amount of available water for organism use c. the high nutrient availability d. all of the above select the best answer from the choices provided a b c d