Which organelle provides the cell with a boundary from its environment?

a- multicellular

b-eukaryotic

c-no cell wall

d-heterotrophic

e-autotrophic

wegner's theory did not explain how the continents could move

explanation:

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.