Food Webs

What do the arrows in the food chain indicate about the flow of energy in an ecosystem?

• Energy is continuously recycled by the organisms in an ecosystem.

• Energy flows in one direction in an ecosystem, from producers to consumers.

• More of the available energy in an ecosystem is given to large animals than to small animals.

• Organisms at the end of the food chain receive more energy than those at the beginning.

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Example of a consumer

• worm
• bacteria
• mushroom
• hawk

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Example of a decomposer

• fungus
• mouse
• plants
• frogs

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A tree is a ....

• composer
• decomposer
• producer

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What is a producer?

• an organism that gets energy from eating other organisms
• an organisms that uses sunlight to make its own food
• an organism that gets energy from eating dead organisms, non-living material or waste
• an organism that uses chemical energy to make its own food

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A connection of food chains with many food energy paths in an ecosystem is a ____________

• ecosystem
• food web
• environment
• population

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An organism that gets energy from breaking down dead organisms, non-living material or waste

• producer
• consumer
• decomposer
• autotroph

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Where do all life forms get their energy?

• Earth's Core
• Water
• Plants
• The Sun

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If a frog is the prey, what could be the predator?

• Grass
• Insect
• Snake
• Snail

In this food chain, what will happen if the frogs become extinct?

• The snakes will increase.
• The grasshoppers will decrease.
• The eagles will remain the same.
• The grasshoppers will increase.

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