The Flow of Energy Unit Conclusion

All energy originally comes from

• plants

• consumers

• predators

• sun

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As you move from the bottom to the top of the energy pyramid

• the amount of energy increases

• the amout of energy decreases

• there are more animals

• animals become extinct

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Worms, fungus, mushrooms, mold, and bacteria are all known as

• consumers

• decomposers

• predators

• apex predators

_________________ make their own food.

• producers

• consumers

• eagles

• decomposers

Apex predators help keep an ecosystem in balance by

• eating a variety of animals and plants

• only eat one type of animal

• running away when things get tough

• populating the area

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The three characters of an ecosystem are

• producers, fungus, and bats

• consumers, producers, and predators

• producers, consumers, and decomposers

• foxes, rabbits, and grass

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Food ________ show what one animal eats, and what might eat it.

• chains

• webs

• pyramids

• cycles

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Food ______ show the flow of energy throughout an entire ecosystem.

• chains

• webs

• pyramids

• cycles

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If there are not enough producers in an ecosystem what will likely happen?

• Animals that rely on plants will die.

• Animals that rely on plants will move to another area.

• Animals that rely on plants will start to eat animals.

• Animals will start making their own food.

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If an asteroid hit in South America, why did dinosaurs go extinct all over the world?

• The vibrations scared them all into hiding.

• The smoke and debris covered the sun's rays for a few years, causing plant life to die out.

• A tsumani washed them all away.

• Rocks and debris spread all over the globe.

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