What is the answer to this question

You’re right it’s tertiary

Tertiary Consumer

Explanation:

The snake is high on the food chain but it still gets eaten by bird (I can't see the name).

"Genetic variation will increase because of a new habitat and food source" is the statement that describes what will most likely be the effect on the genetic variation of the snake population. The correct option among all the options that are given in the question is the second option or option "B". I hope it helps you.