Energy in the Ecosystem

Which is NOT a food chain in this food web?

• carrot --> rabbit --> fox

• grasses --> grasshopper --> owl

• bird --> grasshopper --> grains --> owl

• grains --> mice --> owl

• grasses --> grasshopper --> bird --> fox

Tags

NGSS.MS-LS2-2

Which of these is NOT energy output?

• biomass

• ingested energy

• egested energy

• cellular respiration

Tags

NGSS.MS-LS1-7

NGSS.MS-LS2-3

A rabbit has ingested 1000 kilocalories of grass. He egest 400 kc of waste, and uses 300 kilocalories of energy for cellular respiration and 100 kilocalories is lost as heat. Does this show the law of conservation?

• yes the energy input is the same as the energy output

• no the energy input is the same as the energy output

Tags

NGSS.MS-LS2-3

NGSS.MS-PS1-5

A rabbit has ingested 1000 kilocalories of grass. He egest 400 kc of waste, and uses 300 kilocalories of energy for cellular respiration and 100 kilocalories is lost as heat. What is missing from this equation?

• 100 kilocalories of heat loss

• 100 kilocalories of biomass

• 200 kilocalories of biomass

• 200 kilocalories of heat loss

• 200 kilocalories of cellular respiration

Tags

NGSS.MS-LS1-7

If there are 5 top consumers, how many producers would be available?

• 50

• 500

• 5000

• 50,000

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Who is the primary consumer?

• leaf

• catepillar

• chamelon

• snake

• mongoose

Tags

NGSS.MS-LS2-2

Energy used by cells for cellular processes.

• biomass

• ingested energy

• egested energy

• cellular respiration

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-7

In the energy pyramid, what is the bottom level composed of?

• Producers

• First-Level Consumers

• Second-Level Consumers

• Third-Level Consumers

Tags

NGSS.MS-LS2-3

In the energy pyramid, what comes after the producers?

• Producers

• First-Level Consumers

• Second-Level Consumers

• Third-Level Consumers

Tags

NGSS.MS-LS2-3

Which organism in the food web is a producer?

• Mouse

• Owl

• Green Plant

• Snake

Tags

NGSS.MS-LS2-3