Which of the following is not a heterotroph? a) human b) oak tree c) bumble bee d) rabbit

Hmm this is a hard heterotroph's can't produce its own food. a human can produce it's own food because people kill animals and eat them like squirrel, deer, oak trees need rain which they don't produce the rain, bee's need flowers and pollen and nectar but they don't produce it either, rabbit's don't produce either, because they either steal carrots from your garden and eat leaves.so, the best answer that i would pick is a. humanshope my answer has you and sorry if it doesn't : ) : (

The arrangements of lipids in the membrane makes the cell semi permeable .

It is evolution, because we all have some of the same traits like eye color or shape or ears.