increase the temperature of the earth

decrease the temperature of the earth

Which of these statements about a food web is true?

Matter is transformed but the total quantity remains unchanged.

Matter is created at the start of a food web and destroyed in the end.

There are an equal number of producers and consumers.

The quantity of matter increases as the food web progresses from the producers to the consumers.

What happens to any matter that is not used by consumers in a food chain?

It is decomposed by decomposers and brought back into the food chain later.

It is stored by all consumers for use in the future.

It is recycled by producers and brought back into the food chain later.

What are the biotic factors in this image?

sunlight, elephants, and grasses

What do the arrows in the food web represent?

the flow of energy from one organism in the ecosystem to another

the relative location of organisms in the ecosystem

the relative sizes of organisms in the ecosystem from smallest to largest

the increase in complexity of organisms from producer through consumer

How does the carbon in grass become part of a lion?

The carbon ends up in the lion's food chain.

Carbon from grass doesn't end up in a lion.

The lion breathes in carbon given out by the plant

The Law of Conservation of Energy states:

Energy cannot be created or destroyed, it can only transformed

Energy can created or destroyed but not transformed

Energy can't be created, destroyed or transformed

Carbon Cycle

Authored by Carly Phetterplace

Biology

8th Grade

NGSS covered

Used 112+ times

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35 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of decomposers in an Ecosystem?

They recycle matter, carbon and nutrients to form fossil fuels

They are burn and release as carbon dioxide

Decomposers are responsible to turn oxygen into carbon dioxide

They recycle energy back to the sun

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What would be an example of conservation of mass?

The amount of protons and electrons are the same in all elements

The amount of energy that is used in photosynthesis is equal to the amount of mass.

The amount of reactants in cellular respiration is equal to the amount of products.

The amount of oxygen and carbon dioxide is the same in both cellular respiration and photosynthesis.

Tags

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is happening at 1?

respiration: releasing CO2

decomposing CO2 in the soil

photosynthesis: absorbing CO2

turning CO2 from the atmosphere into organic molecules

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Photosynthesis

absorbs CO2

releases CO2

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Respiration

absorbs CO2

releases CO2

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

NGSS.HS-LS2-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which organism would be at the top of the energy pyramid?

shark

algae

fish

shrimp

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which organism would be at the bottom of the energy pyramid?

bugs

grass

rabbit

wolf

Tags

NGSS.MS-LS2-3

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Carbon Cycle

What is the role of decomposers in an Ecosystem?

What would be an example of conservation of mass?

What is happening at 1?

Photosynthesis

Respiration

Which organism would be at the top of the energy pyramid?

Which organism would be at the bottom of the energy pyramid?

Which organism would be at the top of the energy pyramid?

Primary producers are....

The smallest proportion of organisms are found in the top level

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