Biology Steve Stein

This scientist is called a _____________.

• Botanist

• Chemist

• Zoologist

• Meteorologist

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NGSS.MS-LS1-6

A biologist studies the structure, function, growth and origin of living organisms.

• True

• False

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NGSS.MS-LS1-3

NGSS.MS-LS1-5

NGSS.MS-LS4-4

Which statement describes an autotroph?

• It is an organism that makes its own food.

• It is an organism that eats other organisms.

• It is an organism that eats decaying matter.

• None of the above.

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NGSS.MS-LS2-3

Which of these phrases describes the biotic factors of an ecosystem?

• the number of individual organisms in each trophic level of an ecosystem

• any living part of an environment

• an organism that eats only meat

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NGSS.MS-LS1-4

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NGSS.MS-LS2-4

What is composed of several food chains in an ecosystem that intersect and depend on one another?

• niche

• feeding level

• energy pyramid

• food web

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NGSS.MS-LS2-3

What is the ultimate source of energy in any food chain?

• the sun

• producers

• consumers

• decomposers

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which organisms can be found at the first, or lowest, trophic level?

• herbivores

• carnivores

• heterotrophs

• autotrophs

Which situation is a biotic factor operating within an ecosystem?

• the kind of climate in a given region

• carnivores that eat other animals

• the concentration of hydrogen gas in the air

• the rate of water flow in a body of water

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NGSS.MS-LS2-2

NGSS.MS-LS2-4

All the nonliving things in an environment are called the ________ factors.

• abiotic

• biotic

• ecological

• inorganic

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NGSS.MS-LS2-3

A certain plant needs moisture, carbon dioxide, oxygen light, and minerals to survive. This scenario shows that a living organism depends on

• biotic factors

• abiotic factors

• symbiotic relationships

• carnivore-herbivore relationships

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NGSS.MS-LS2-1

NGSS.MS-LS2-4