Unit 6 Interdependence of Organisms

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

• Hawk

• Spider

• Grasshopper

• Shrew

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NGSS.MS-LS2-2

Each step in a food chain or web is called a

• trophic level

• consumer

• predator prey relationship

• mutualism

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NGSS.MS-LS2-3

True or False: In general, the size of the predator population is influenced by the size of the prey population and vice versa

• true

• false

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NGSS.MS-LS2-2

NGSS.MS-LS2-4

The snake is a predator to what prey in this food chain?

• frog

• grass

• grasshopper

• hawk

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NGSS.MS-LS2-2

NGSS.MS-LS2-4

Mutual dependence between organisms in order to help them survive. (a)  

• Competition

• Interdependence

• Adaptation

• Natural Selection

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NGSS.MS-LS2-2

What type of diagram is this?

• Pyramid of Number

• Food Chain

• Pyramid of Biomass

• Food Web

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NGSS.MS-LS2-3

An organism that hunts its food

• Predator

• Prey

• Hunter

• Gather

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NGSS.MS-LS1-4

A condition that occurs when two or more organisms compete for the same resources or food within an ecological community

• Population

• Competition

• Ecosystem

• Community

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.

• There would be a decrease in the grass/flowers population.

• There would be a decrease in the mice population.

• There would be an increase in the grass/flowers population.

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NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which statement is correct?

• The lion and rhino have a predator/prey relationship.

• The grasshopper is the predator and the bird is the prey.

• Giraffes compete with lions and birds.

• None of the above

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NGSS.MS-LS2-2