What is the process that breaks down food to yield energy called?

• cellular digestion

• cellular respiration

• decomposition

Tags

NGSS.MS-LS1-3

How does energy move through most ecosystems on earth?

• from the sun to consumers to producers

• from the sun to producers to consumers to decomposers

• from the sun to decomposers to producers to consumers

Tags

NGSS.MS-LS2-3

What role do bacteria play during the nitrogen cycle?

• bacteria store nitrogen in wastes

• bacteria convert nitrogen into water

• bacteria turn nitrogen gas into a form that living things can use

Tags

NGSS.MS-LS2-2

Which of the following statements indicates an understanding of the importance of energy to life on earth?

• many organisms on earth require energy for their life processes

• all organisms on earth require energy for their life processes

• energy is required for the most important life processes on earth

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Excessive use of fertilizer that contains nitrogen and phosphorus...

• affects the carbon cycle

• may cause algal bloom in waterways

• causes soil erosion

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which is the process by which carbon is cycled between the atmosphere, land, water, and organisms?

• carbon cycle

• nitrogen cycle

• photosynthesis

Tags

NGSS.MS-LS2-3

Decomposers are...

• consumers that get their food by breaking down dead organisms

• cycling nitrogen through an ecosystem

• working down a food chain

Tags

NGSS.MS-LS2-3

Each step through which energy is transferred in a food chain is known as a...

• producer

• consumer

• trophic level

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The nitrogen cycle is...

• the process by which carbon is cycled between the atmosphere, land, water, and organisms

• the process by which nitrogen is cycled between the atmosphere, bacteria, and other organisms

• organisms getting energy by eating other organisms

Tags

NGSS.MS-LS2-3

An organism that makes its own food is known as...

• producer

• consumer

• decomposer