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How does a beaver change an environment?
it makes a dam
How can people help the environment?
...
What harms the environment?
What happens when an environment changes?
animals can die
What is a fossil?
remains of a plant or animals from long ago
what is the word for an animal that has completely died out?
extinct
Name some extinct animals.
What could cause an animal to become extinct?
rising temperatures, disease, natural disaster
What can fossils tell us?
the size, shape of an animal etc.
What animal is the wooly mammoth similar to?
elephant
What animals have stayed the same over time?
shrimp, cockroach
What is a population?
A group of the same animals living in the same place.
What is a community?
All the different populations living in the same ecosystem
What is an ecosystem?
All the living and nonliving things that interact within an environment.
What can happen when new living things move into an environment?
It can upset the ecosystem.
