Minerals

Question 1

After Gerry mows his lawn, he often puts the grass clippings into his flower garden.How will this affect his garden?

Revolt · Accepted Answer

It will increase the amount of carbon in the soil and increase the amount of carbon dioxide released by decomposers.

Question 2

How is the nitrogen cycle important to humans?

Revolt · Accepted Answer

It converts nitrogen into a form that humans can obtain by eating other organisms.

Question 3

Some bacteria live in the roots of plants like soybeans and peas.

Revolt · Accepted Answer

to convert free nitrogen into usable nitrogen

Question 4

Which best compares the roles of nitrogen-fixing bacteria and certain decomposers in the nitrogen cycle?

Revolt · Accepted Answer

The bacteria convert free nitrogen into nitrogen-containing compounds, while the decomposers convert nitrogen-containing compounds into free nitrogen.

Question 5

Kate wrote the steps of the carbon cycle to describe how carbon is cycled through specific organisms. The steps are in random order.1 - The rabbit decomposes.2 - The rabbit eats the carrot plant. 3 - The carrot plant takes in carbon dioxide from the air during photosynthesis.4 - Carbon compounds are returned to the soil.

Revolt · Accepted Answer

3, 2, 1, 4

Question 6

Which best describes a role of animals in the water cycle?

Revolt · Accepted Answer

They release water vapor when they exhale.

Question 7

Which processes result in the release of carbon? Select three options.Animals break down food molecules to obtain energy.The remains of producers are broken down by decomposers.The remains of consumers are broken down by soil decomposers.Producers take in carbon dioxide.Producers make sugars and starches.

Revolt · Accepted Answer

Animals break down food molecules to obtain energy.; The remains of producers are broken down by decomposers.; The remains of consumers are broken down by soil decomposers.

Question 8

precipitationtranspirationevaporationcondensation

Revolt · Accepted Answer

condensation

Question 9

Which process occurs when bacteria converts nitrogen gas to a usable form?

Revolt · Accepted Answer

fixation

Question 10

The diagram illustrates part of the carbon cycle.

Revolt · Accepted Answer

A consumer is obtaining carbon by eating carbon-based molecules stored in a producer.

Minerals Answers

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