Ecology & Human Impacts Reassessment

Which of these is an example of a human activity that causes climate change?

• burning fossil fuels

• removing greenhouse gases

• using alternative energy sources

• increasing ash particles from volcanoes

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NGSS.MS-ESS3-4

Which activity would reduce human sources of greenhouse gases?

• increasing the size of livestock herds

• monitoring worldwide volcanic activity

• using wind energy to generate electricity

• researching ways to add methane to the atmosphere

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NGSS.MS-ETS1-4

Which action can humans do to help reduce the rate of global warming?

• outlaw alternative energy

• increase energy consumption

• decrease energy consumption

• make computer models of emissions

Tags

NGSS.MS-ESS3-4

The diagram shows the carbon cycle. If many trees are removed from a forest by logging, what is the most immediate effect on the carbon cycle in that forest?

• increase in the rates of decomposition

• increase in the rates of atmospheric carbon dioxide

• decreased combusion of fossil fuel

• increase production of organic compounds

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

NGSS.MS-LS2-4

In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?

• 80%

• 90%

• 10%

• 2%

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

What do the arrows in a food web represent?

• They point to the organism that is being eaten

• It shows how sunlight flows within an ecosystem.

• They represent how water is transferred within a habitat

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

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NGSS.MS-LS2-3

An organism that gets energy from breaking down dead organisms, non-living material or waste is a(an)_____.

• producer

• consumer

• autotroph

• decomposer

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NGSS.MS-LS2-3

_________ is the process that plants in the first trophic level use to convert sunlight energy into the energy stored in glucose.

• photosynthesis

• cellular respiration

• producer

• digestion

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NGSS.MS-LS1-6

A primary consumer

• makes its own food

• eats other animals

• are usually carnivores

• eats producers

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NGSS.MS-LS2-3

A secondary consumer

• only eats plants

• eats other animals that eat plants

• can be a carnivore or an omnivore

• makes their own food

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4