While examining a pond sample, you find an amoeba. as you watch, the organism bulges forward from its main body, creating a sort of foot, and then the cytoplasm flows into the foot, pushing the whole cell forward. this type of movement is controlled by what component of the cytoskeleton?

Explain why in any given geographical region, women tend to have lighter skins( by 3-4% on average) than men?

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.

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.