Share Changes in Ecosystems
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What is a resource? Can you give an example?
Something that helps an organism stay alive e.g. water
When one kind of living thing has very few of its own kind left it is called...
endangered
What is the struggle among living things for water, food or other needs called
competition
What is pollution?
harmful things that get into water, air or land
The remains of something that lived long ago is callled...
a fossil
What does it mean if something is extinct?
that the organiam is gone forever
In what ways can we help the environment?
Reduce, reuse, recycle! Don't waste energy.
What is it called when there is no rain for a long time and the rivers and lakes dry up?
A drought
What happens if there is a change in climate?
Some animals may not be able to adapt and survive so they will die :(
What similarities do elephants and mammoths have?
Using their trunks as toold, using its tusks to fight
