In the fall, monarch butterflies migrate in large groups from the US and Canada to Mexico. They do this because the winters in US and Canada are too cold, and they need a warmer place to stay until the spring.
Which of the following is this paragraph describing?
2 answers
Migration of monarch butterflies in the fall.
Oh and the answer choices are
an ecosystem
a population
an individual
a community
an ecosystem
a population
an individual
a community