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Changes in Ecosystems
Changes in Ecosystems
10
Science
5th Grade
11/30/2006

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Cards

Term
How can changes in an ecosystem sometimes be helpful?
Definition
Sometimes an ecosystem change can help protect animals, provide food, and create new homes for animals.
Term
How do beaver ponds help the beaver?
Definition
The beaver pond provides protection from preditors, and a place where it can get food too.
Term
What does inherit mean?
Definition
halfof genus from each parent
Term
what does mutation mean?
Definition
changedgege can pass from a parentto the offspring
Term
What is structural adaptations?
Definition
Changed body parts that help the organism survive in its ecosytem.
Term
what is behavioral adaptations?
Definition
inherited behaviors that help animals survive.
Term
what are pesticides?
Definition
are posions that kill insects.
Term
What does extinct mean?
Definition
No more members of its kind alive.
Term
What is a DODO?
Definition
Its a animal that is extinct.
Term
Why are Zebra mussels look funny?
Definition
Zebra mussels stick to hard surfaceslike shells.they also block water pipes.
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