Interdependent Relationships in Ecosystems

The nonliving parts of an ecosystem are called

• biotic factors
• dead things
• abiotic factors
• asymmetrical factors

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Sunlight, water, oxygen, temperature, and soil are all

• biotic factors
• abiotic factors
• living things
• homeostasis

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A tick living on a dog and taking its blood is an example of 

• commensalism
• predation
• mutualism
• parasitism

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Fish picking off and eating bits of algae or parasites from a turtle's shell is an example of

• competition

• predation

• commensalism

• mutualism

Male giraffes fighting for a female giraffe is an example of 

• competition
• predation
• symbiosis
• craziness!

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NGSS.MS-LS2-1

The living parts of an ecosystem are called

• abiotic factors
• biotic factors
• biology
• microbiology

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Organisms interact with biotic and abiotic factors in an

• ecosystem
• ecology
• ecologist

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____________________ study how organisms interact with biotic and abiotic factors in an ecosystem.

• Chemists
• Biologists
• Ecologists
• Geologists

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NGSS.MS-LS2-1

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A consumer that hunts is called:

• a producer.
• an omnivore.
• a predator.
• a herbivore.

What is prey?

• An organism that is consumed
• An organism that consumes
• neither