Biology S1 Review (Unit 1-3)

What are biotic factors in an ecosystem?

• The temperature of an ecosystem

• Non-living things in an ecosystem such as rocks and water

• The amount of sunlight an ecosystem receives

• Living things in an ecosystem such as plants, animals, fungi, and bacteria.

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NGSS.MS-LS2-2

Which of the following is an abiotic factor in an ecosystem?

• Plants

• Temperature

• Rainfall

• Sunlight

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.

• It shows how sunlight flows within an ecosystem.

• They show what direction the energy is flowing between organisms. 

• They represent how water is transferred within a habitat.

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NGSS.MS-LS1-6

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The fox in this food web would be considered a:

• Tertiary Consumer
• Producer
• Secondary Consumer
• Primary Consumer

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The populations of which organisms will most likely increase as a result of a disease that suddenly reduced the population of Texas horned lizards?

• Grasses and ants

• Ants and grasshoppers

• Grasshoppers and Texas Cottonmouths

• Texas cottonmouths and red shouldered hawks

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NGSS.HS-LS2-6

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What are plants called in a food chain?

• Producers /Autotrophs

• Consumers /Heterotrophs

• Decomposers

• Scavengers

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What happens to the amount of available energy in the pyramid as it moves up through the different levels?

• it increases

• it decreases

• it remains the same

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What amount of percentage does the energy decrease as it goes up the pyramid?

• 100%

• 1000%

• 10%

• 1%

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NGSS.MS-PS3-4

Identify this populations carrying capacity

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NGSS.HS-LS2-1

In a forest, the carrying capacity for squirrels is about 100. If humans cut down part of the forest to build houses, what will happen to the carrying capacity for the squirrels?

• it will increase

• it will decrease

• it will stay the same

Tags

NGSS.HS-LS2-1

NGSS.HS-LS2-2