2. natural selection is most likely to have different effects on organisms with which pair of alleles?
-aa and aa
-aa and aa
-aa and aa
-aa and aa

Select three sports that require participants to be highly fit before the beginning a: snowboarding b: skydiving c: rock climbing d: bungee jumping e: free diving f: hiking

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

Suppose you were the commissioner of corrections for your state. which correctional activities might come within your domain? which mostly would not