Which of the following changes is an example of a proximate cause of animal migration?

A) Temperature
B) Availability of food resources
C) Safe nesting sites
D) Rainfall
E) Day length

Proximate Cause

The immediate, primary reason for an event or condition, often discussed in legal and biological contexts.

Day Length

The duration of daylight hours in a 24-hour period, which varies depending on the season and geographical location.

Animal Migration

The movement of groups of animals from one location to another, often seasonally, in response to changing environmental conditions.