Ecology High School Review

Which of the following is NOT considered to be a symbiotic relationship?

• A mother bear caring for her cub
• Worms living in a cow’s intestine
• A bacterial infection
• A viral attack on your immune system

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NGSS.MS-LS2-2

When a population grows past the ecosystem's carrying capacity, what happens to the population?

• Continues to grow
• The population starts to die off to return to carrying capcity
• The population will go extinct due to lack of resources
• The population grows then finds a new carrying capacity

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which process takes Carbon Dioxide from the air and converts it into a form of carbon used by living things?

• Precipitation
• Photosynthesis
• Respiration
• Bioremdiation

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NGSS.MS-LS1-6

Which organism do the owl and the weasel compete for in the food web?

• Hawk
• Spider
• Grasshopper
• Shrew

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NGSS.MS-LS2-4

What is the carrying capacity for this sheep population?

• 1.8 million
• 1.25 million
• 1.6 million
• 1.o million

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

A parrotfish will graze with a rabbitfish for protection. The rabbitfish doesn't benefit.
What type of relationship is this?

• mutualism
• commensalism
• parasitism
• none of the above

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NGSS.MS-LS2-2

Human intestines give good bacteria a place to live. The good bacteria help break down food. what type of relationship is this?

• mutualism
• commensalism
• parasitism
• none of the above

Hook worms enter through the skin and live off the blood of the host.
What type of symbiotic relationship is this?

• mutualism
• commensalism
• parasitism
• none of the above

The amount of energy that usually transfers from one trophic level to the next...

• 10%
• 20%
• 80%
• 50%

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NGSS.MS-LS2-3

A group of a particular species living and interacting in the same area

• Community
• Population
• Organisms
• Biosphere