Matter Cycling

Which animals are the primary consumers?

• Lizard, eagle, bird

• Rabbit, snail, worm

• Snail, bird, eagle

• Grass, rabbit, worm

Tags

NGSS.MS-LS2-3

If the producer starts off with 250,000 kcal, how many calories will the secondary consumer have?

• 250,000 kcal

• 250 kcal

• 25,000 kcal

• 2,500 kcal

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which organism has the most amount of energy?

• Eagle

• Grass

• Snail

• Rabbit

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How do living organisms return carbon to the atmosphere in the carbon cycle?

• respiration and photosynthesis

•  decomposition and respiration

Organisms that play a role in the nitrogen cycle

• only plants

• only animals

• only bacteria

• plants, animals, & bacteria

The following are part of the carbon cycle EXCEPT _________.

• respiration

• precipitation

• decomposition

• photosynthesis

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Bacteria in soil change __________ into ingredients plants can use.

• H₂

• O₂

• N₂

• He₂

Tags

NGSS.MS-LS2-3

Which process is primarily responsible for the release of nitrogen gas back into the atmosphere in the nitrogen cycle?

• Nitrification

• Denitrification

• Ammonification

• Nitrogen fixation

In the water cycle, which process involves the conversion of water vapor into liquid water?

• Evaporation

• Condensation

• Precipitation

• Transpiration

Tags

NGSS.MS-ESS2-4

Which of the following is a key component of the phosphorus cycle that distinguishes it from the carbon and nitrogen cycles?

• Atmospheric phase

• Aquatic phase

• Geological phase

• Biological phase