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20 Cards in this Set

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  • Back
drought
A long period of dry weather with no rain
recycle
When people recycle, they change something so that it can be used again.
Long ago, a dragonfly was trapped in the mud. When the mud turned to stone, the outline of the dragonfly was visible in the stone. This is a __________________.
fossil
Today there are very few Florida panthers, and they may on survive. The Florida Panther is an ______________
________________.
endangered organism
Extinct organism
an organism that is no longer on Earth
pollution
anything harmful added to the air, land, or water
Building a new house does NOT affect the environment.
False
Litter can contain objects that trap or harm organisms.
True
Recycling takes a lot of time and creates extra litter.
False
People use plants for food, clothing, and lumber.
True
A long period of dry weather without rain is call a drought.
True
Animals cannot change their habitat.
False
All endangered animals are extinct.
False
Scientists learn nothing about wild animals by studying animals in zoos.
False
People can help save plants and animals by recycling and planting trees.
True
Wool sweaters come from animals.
True
Endangered organisms can become extinct if they all die.
True
Pollution is anything harmful added to the air, water, or land.
True
We know about some extinct organisms only because of the fossils left behind.
True
Explain what would happen if some kind of insect destroyed over half of the world's cotton crop one year. Predict some of the effects of this loss on cotton.
There would be less cotton to make clothes. Things that had cotton in them would cost more money.