Chapter 5.3-5.4 review

All energy transformations in an ecosystem begin with

• a scavenger
• the sun
• a decomposer
• a herbivore

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Which event is the best example of competition between species in a pond?

• dragonflies landing on lily pads
• lizards and snakes lying in the sun
• hawks eating mice
• frogs and toads eating flies

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

• only the cattle

• neither the birds or the cattle

• both the birds and the cattle

• only the birds

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

• energy pyramid
• adaptation
• autotroph
• food web

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

• food web
• food chain
• prey
• predator

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an example of producer consumer relationship would be

• lion eating a deer
• grasshopper getting energy from grass
• hawk getting energy from snakes
• earthworm breaking down dead material

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Consumer that eats plants

• heterotroph
• herbivore
• producer
• community

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Which of the following is NOT a consumer

• grass
• dog
• shark
• fish

What percentage of energy is passed on to each tropic level?

• 10%
• 50%
• 90%
• 100%

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What are "apex predators?"

• primary consumers

• top predators

• producers

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