Ecology Unit 1

Where do almost all ecosystems get their energy from?

• producers

• the sun

• consumers

• decomposers

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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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A Consumer that has a diet of only plants is called a

• heterotroph

• herbivore

• producer

• community

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

Tags

NGSS.MS-LS2-3

The rabbit in this food web would be considered a:

• Decomposer
• Producer
• Secondary Consumer
• Primary Consumer

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NGSS.MS-LS2-2

If elk hunting becomes more popular in Yellowstone National Park, what effect or effects would we likely see?

• Tree populations would rise

• Tree populations would fall

• Grizzly bear populations would rise

• Grizzly bear populations would fall

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NGSS.MS-LS2-1

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A quaternary consumer is also sometimes called

• the top predator

• the autotroph

• the decomposer

• the herbivore

Wind causes several trees to fall in a forest ecosystem. This is an example of a/an

• Abiotic factor

• Biotic factor

Two bird species compete for the same nesting site in a tropical rainforest. This would be considered a/an

• abiotic factor

• biotic factor

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NGSS.MS-LS2-2

A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.

• Population
• Community
• Habitat
• Ecosystem

Tags

NGSS.MS-LS2-3