Ecosystems

Who is the scientist who had the idea of evolution by natural selection?

• Pierce
• Darwin
• Kettlewell
• Aristotle

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NGSS.MS-LS4-4

NGSS.MS-LS4-2

How many carnivores are shown in this food web?

• 6
• 4
• 5
• 3

Which of the following is a herbivore?

• cricket
• frog
• hawk
• shrew

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

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

NGSS.MS-LS2-1

The rabbit in this food web would be considered a:

• Decomposer
• Producer
• Secondary Consumer
• Primary Consumer

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

In the food web shown, the snail would be considered...

• primary consumer
• secondary consumer
• tertiary consumer
• producer

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NGSS.MS-LS2-2

How many primary consumers are there in this food web?

• 1
• 2
• 3
• 4

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NGSS.MS-LS2-2

How many herbivores are in this web?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-LS2-2

How are parasitism and predation similar?

• Both organisms are harmed.
• Both organism benefit.
• One organism benefits and the other is harmed.
• One organism benefits and the other is not harmed.

Tags

NGSS.MS-LS2-2

Remoras are small fish that swim close to or attach themselves to sharks.  Remoras eat small scraps left as the sharks feed and the sharks are unaffected. What kind of relationship is this?

• Competition
• Predation
• Mutualism
• Commensalism

Tags

NGSS.MS-LS2-2