The Flow of Energy

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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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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Plants produce their own food using water and sun through the process of

• condensation

• decomposition

• photosynthesis

• energy

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At the end of every food chain, you will find

• producers

• consumers

• predators

• herbivores

What does a food web show?

• the flow of food between two animals

• the flow of energy in an ecosystem

• the flow of water through an ecosystem

• the flow of food between decomposers

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Which group of living things makes up the bottom level of an energy pyramid?

• consumers

• herbivores

• canivores

• producers

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A ____________________ is a model that shows the path of energy as it flows from one living thing to the next

• food chain

• food web

• food flow

• consumer model

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As you move up a energy pyramid, each higher level contains _______ energy and ________ living things.

• more, more

• more, less

• less, less

• less, more

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True or False. If one kind of organism is removed from a food chain, other organisms may die or move away to survive

• true

• false

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