What did you learn?
- What happens when one part of
an ecosystem changes?
- Why can’t trees grow in
some grasslands?
- Lemmings are able to live on
the tundra. Why?
- You have read
about the importance of prairie dogs
in their habitat. Write to explain the
things that prairie dogs do to help
keep other living things alive.
- Main Idea and Details A tropical
forest is one kind of ecosystem. List
some details from the book about
this forest.
SCIENCE-EARTH S ECOSYSTEMS