Answer the following question: Fact 1: If the amount of available food and water decreases in an environment then animals may leave that environment to find food and water. Fact 2: Many animals migrate, traveling to avoid bad weather, to find food, or to reproduce. Given the two facts above, when food and water decreases, what increases?

Choices:
[1]. energy usage
[2]. heat energy
[3]. Migration
[4]. Temperature
[5]. Pollution
[6]. forces
[7]. root growth
[8]. deforestation
Answer:
[3].