Question

what happens to individuals that can utilize an alternative food source if their primary food source is low?
nothing will happen to them.
they will have better chance of survival.
they will all go extinct first.

Explanation:

In the context of biology (a sub - field of Natural Science), when the primary food source is low, having an alternative food source is an advantage. According to the principles of natural selection and survival, organisms that can adapt by using alternative resources are more likely to survive.

Answer:

They will have better chance of survival.