Some tortoises that feed on grasses were observed on an island. some years later, an environmental change caused the grasses to grow a bit higher off the ground. what evolutionary feature will you expect to see in the tortoises on the island?

Which of the following statements is true of enzymes? a)they dont provide an active site for substrates to bind in a reaction b)they act on a specific type of substrate in a reaction c)they unusable after a reaction d)they change shape after a reaction

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.

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity