Food Web

Front

All energy transformations in an ecosystem begin with

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the sun

Front

A deer population has significantly increased. What is the best hypothesis? Options: the deer's main predator has been eliminated, competition increased, decreased water levels of local ponds, organisms that rely on similar food sources migrated to the area

Back

the deer's main predator has been eliminated

Front

Which event is the best example of competition between species in a pond? Options: dragonflies landing on lily pads, lizards and snakes lying in the sun, hawks eating mice, frogs and toads eating flies

Back

frogs and toads eating flies

Front

Birds eat insects off the skin of cows. If the relationship is a type of mutualism, then the organisms that will benefit are

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both the birds and the cattle

Front

Which is the smallest level of an ecosystem?

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organism

Front

Which relationship describes predator/prey: hawks and shrubs, mountain lion and deer, frogs and trees, grasses and crickets?

Back

mountain lion and deer

Front

A diagram that shows the amount of energy that moves from one feeding level to another is termed..

Back

energy pyramid

Front

A system of food chains that shows the transfer of energy is termed

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food web

Front

an organism that can produce its own food through photosynthesis

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autotroph

Front

Commensalism is

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one species benefits, the other is not affected