Earth’s atmosphere contains mostly:

• ‎a)‎ Nitrogen and some oxygen
• b)‎ Equal amounts of nitrogen and oxygen
• c)‎ Mostly oxygen and some nitrogen
• d)‎ Mostly nitrogen and carbon dioxide

How would you define sustainability?‎

• a)‎ The ability of an ecosystem to change
• b)‎ The ability of an ecosystem to survive
• c)‎ The ability of an ecosystem to stay unpolluted
• d)‎ The ability of an ecosystem to stay in balance

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NGSS.MS-ESS3-4

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Consumers are organisms that:‎

• a)‎ Cannot make their own food
• b)‎ Make their own food
• c)‎ Can carry out the process of photosynthesis
• d)‎ None of the above

Choose the most correct answer. Human actions:‎

• a)‎ like pollution, cutting down trees and the building of cities can’t disrupt the sustainability of the ‎abiotic factors.‎
• b)‎ like pollution, cutting down trees and the building of cities often disrupt the abiotic factors of an ‎ecosystem.‎
• c)‎ like pollution, cutting down trees and the building of cities often disrupt the biotic factors of an ‎ecosystem.‎
• d)‎ like pollution, cutting down trees and the building of cities often disrupt the biotic and ‎abiotic factors of an ecosystem.‎

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NGSS.MS-ESS3-4

NGSS.MS-LS2-4

‎What do you call the type of organism that only eats animals?‎

• a)‎ Omnivore
• b)‎ Scavenger
• c)‎ Herbivore
• d)‎ Carnivore

Coal, Gas & Oil, etc formed in the past from the remains of organisms.

• Fossil Fuels
• Nuclear
• Biomass
• Hydrogen Cells

Which one of these is nonrenewable?

• coal
• wind
• water
• geothermal

What is photosynthesis?

• a) The process by which the Sun’s energy is converted into chemical energy.
• b) The process by which sugar is converted into carbon dioxide, water, and energy.
• c) How consumers create energy.
• d) The process by which the Sun creates energy.
• e) None of the above.

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The relationship between photosynthesis and cellular respiration is:

• a) One is the exact reverse of the other.
• b) They are the same.
• c) What is created in one reaction is used up in the other reaction.
• d) They have no relationship.
• e) They create the same things.

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NGSS.MS-LS1-6

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What is an ecological niche?

• a) A hole or burrow that an organism lives in.
• b) The function a species serves in its ecosystem.
• c) A stash of food an organism keeps.
• d) The relationship between producers and consumers.
• e) a and c.