Energy Flow and Cycling of Matter in Ecosystems

Ecosystems possess..

• only living components
• only non-living components
• both living and non-living components

Tags

NGSS.MS-LS2-3

Which of the following is NOT an example of a consumer? 

• producer
• herbivore
• carnivore
• omnivore

Decomposers break down detritus, also known as...

• dead organic matter
• inorganic matter
• living matter
• non-living matter

Tags

NGSS.MS-LS2-3

Which of the following is NOT a "cycle"?

• Water
• Energy
• Nitrogen
• Phosphorus

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

NGSS.MS-LS1-6

NGSS.MS-LS2-3

When numerous food chains link to each other in an ecosystem, it is called a(n)

• food chain
• food web
• trophic pyramid
• food cluster

Tags

NGSS.MS-LS2-3

The trophic structure of an ecosystem can be summarized in the form of a(n)

• ecological pyramid
• energy network
• climax schematic
• trophic level chart

Only __% of energy gets passed on from one trophic level to the next

• 5%
• 10%
• 26%
• 90%

Tags

NGSS.MS-LS2-3

Given enough time, all water eventually returns to the...

• oceans
• lakes
• streams
• atmosphere

Tags

NGSS.MS-ESS2-4

In the carbon cycle, organisms exchange ___ with the atmosphere

• glucose
• carbon dioxide
• oxygen
• nitrogen

Tags

NGSS.MS-LS1-6

Which of the following is NOT needed for photosynthesis to take place?

• water
• carbon dioxide
• sunlight
• oxygen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3