Question

this selection is mainly about a tree hollows and the animals that depend on them for survival. b differences between urban areas and suburban neighborhoods. c types of animals that live in tropical woodland areas. d scientists who identify and classify insects and rodents.

Explanation:

The question asks for the main - topic of a selection. Option A focuses on tree hollows and the animals that rely on them, which seems to be a more comprehensive and likely main - topic compared to the other options that are more specific or off - topic.

Answer:

A. tree hollows and the animals that depend on them for survival.