1. Why do no arrows point to any producers in this food web? 2. What is an example of a direct effect that would result from an increase in deer mouse in this food web?
3. What is an example of an indirect effect that would result from an increase in deer mouse in this food web?

It  .surrounds the grana and keeps them moist

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 : ) : (