Develop a Model to Describe the Cycling of Matter and the Flow of Energy Among Abiotic and Biotic Components of an Ecosy

Which of the following is the name given to organisms that make their own food?

• autotrophs

• heterotrophs

• decomposers

• omnivores

Which of the following is the name given to organisms that feed on dead matter?

• autotrophs

• heterotrophs

• decomposers

• producers

Which of the following is the name given to organisms that must consume other organisms to get energy?

• autotrophs

• heterotrophs

• decomposers

• producers

Tags

NGSS.MS-LS2-2

What term describes the position of an organism on the food chain?

• food web

• energy levels

• trophic levels

• matter cycle

Tags

NGSS.MS-LS2-2

What graphic organizer is represented by the image shown?

• food chain

• food web

• trophic level

• energy pyramid

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What is the difference between a food chain and a food web?

• A food chain shows the many different food webs in an ecosystem

• A food web shows the many different food chains in an ecosystem

• A food web shows the many different trophic levels in an ecosystem

• A food chain and a food web are the same; there is no difference

Tags

NGSS.MS-LS2-3

Which of the following terms describes the contamination of soil, water, and air?

• extinction

• succession

• erosion

• pollution

What is true about nutrients in the ecosystem (such as water, carbon, and nitrogen)?

• They are not affected by humans in the ecosystem.

• They cannot be recovered if they are lost in the ecosystem.

• They cycle through the ecosystem in different forms to support life.

• They are usually only found in one form in the ecosystem to support life.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which of these nitrogen cycle processes converts atmospheric nitrogen to a soil form of nitrogen that is usable by plants?

• nitrogen fixation

• nitrification

• denitrification

• ammonification

• assimilation

Respiration is the process by which animals take in _____ and release _____. 

• photosynthesis, air
• carbon, oxygen
• oxygen
• oxygen, carbon dioxide