Ecology Review #2

All energy transformations in an ecosystem begin with

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

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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 organism that can produce its own food through photosynthesis

• consumer
• heterotroph
• autotroph
• herbivore

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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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What is the best explanation for an energy pyramid?

• It shows the FLOW of energy from one organism to the next. 
• It shows HOW much energy flows through a food web
• It shows the MEMBERS in a single organism

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The deer, grasshopper, and bird are all examples of which type of consumers on this food pyramid?

• decomposers
• omnivores
• carnivore
• herbivore

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

• producer
• consumer
• decomposer

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The direction of the flow of energy in a food web is represented by ___.

• Light bulbs
• Dotted Lines
• Arrows
• Bubbles

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Energy increases as you move up the food pyramid (from bottom to top).

• True 
• False

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The rabbit in this food web would be considered a:

• Decomposer
• Producer
• Secondary Consumer
• Primary Consumer

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