Biodiversity - Bill Nye

For a(n) __________________ to be successful and healthy, it has to have lots of different kinds of plants and animals

• ecosystem

• biodiversity

• food chain

• environment

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Having lots of different plants and animals is called ____________________

• ecosystem

• biodiversity

• life cycle

• environment

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How much of the Earth is covered by water?

• one-fourth

• one-half

• three-fourths

• five-sixths

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All living things depend on other _____________ ______________

• plants and animals

• living things

• decomposers and producers

• people and animals

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Humans can have a big impact on the environment. For example, too much/many ________________ on lawns can end up running down streams and rivers, making too many weeds.

• fertilizer

• growth

• weeds

• vegetables

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The best way to wipe out a species is to remove it from its natural ______________

• environment

• ecosystem

• food chain

• homes

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To look at tiny living things closely, you can use a magnifying glass or ________________

• a camera zoomed in

• a microscope

• your eyes!

• binoculars

The largest ecosystem in the world is the

• sea/ocean

• rainforests

• prairie

• lakes

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______ of the world is covered by water

• 65%

• 71%

• 54%

• 75%

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_________________ of all the species in the world live in the ocean

• three-fourths

• two-thirds

• one-half

• one-fourth