Ecology 2

The owl receives energy from which organisms?

• grasshopper and mouse
• mouse and rabbit
• rabbit and butterfly
• butterfly and frog

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Name the producers in this food web.

• seagull and fish
• penguin and crab
• phytoplankton and seaweed
• seaweed and zooplankton

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How many predators does the squid have?

• 1
• 2
• 3
• 4

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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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An organism that gets energy from breaking down dead organisms, non-living material or waste is a(an) ___________.

• producer
• consumer
• decomposer
• autotroph

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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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What does a food chain represent?

• How all living organisms within a habitat are connected.
• All of the things that a particular animal eats.
• How plants create their own food.
• A single path of energy transfer within a habitat.

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An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist

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Biodiversity is 

• the variety of species within an ecosystem
• a large number of the same species in an ecosystem
• an abundant amount of the same primary consumers 
• the ability to have an abundant source from the same species

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Commensalism is

• one species benefits, the other is not affected
• both species benefit
• both species are harmed
• one species benefit, the other is harmed