The hydra has an incomplete digestive system.

how does the hydra remove undigested food?

a.
it pulls food out with its tentacles.

b.
it pushes out food through an opening, which is also used to bring in food.

c.
it diffuses food through its outer layer.

d.
it expels food by using a special opening for that purpose.

The images show the wings of a bat and a bee. from this evidence, what can you conclude about the evolutionary relationship between these organisms? a. the wing structures of the bat and the bee are different, indicating they didn’t inherit wings from a common ancestor. b. the wing structures of the bat and the bee are different, indicating they inherited wings from a common ancestor. c. the functions of bat wings and bee wings are the same, indicating they obtained wings from a common ancestor. d. the functions of bat wings and bee wings are different, indicating they didn’t obtain wings from a common ancestor.

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?