A qué crees que puede ser debida la gran diversidad de microorganismos eucariontes existentes en la biosfera actual?

Which kind of aquatic ecosystem does the photograph most likely show? a. marsh b. swamp c. lake d. river

Environmental differences within ecosystems are generally caused by

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.