Flow of Energy

The PATH of energy from one organism to another in an ecosystem.

• Decomposer

• Food Web

• Food Chain

• Energy Flowmaster

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

A complex of interconnected food chains showing the trophic interactions in an ecosystem

• Food Chain

• Food Web

• Ecosystem

• Trophic Pyramid

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

Observe the food chain below. What would be the result of disease killing off most of the mouse population?

• All populations would be relatively unaffected

• The grasshoppers would become extinct

• The grasshopper population would decrease; the owl population would increase

• The grasshopper population would increase and the owl population would decrease

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-1

How much energy is transferred from one feeding (trophic) level to the next in a feeding/food/trophic pyramid?

• 1%

• 10%

• 100%

• 90%

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which organism(s) would be considered primary consumers?

• Rabbits

• Mice

• Grasshoppers

• All of these would be considered primary consumers.

Tags

NGSS.MS-LS2-2

Which organism do the owl and the weasel compete for in the food web?

• Hawk
• Spider
• Grasshopper
• Shrew

Which of the following organisms is a herbivore.

• butterfly
• snake
• fox
• ladybird

Tags

NGSS.5-LS2-1

The owl receives energy from which organisms?

• grasshopper and mouse
• mouse and rabbit
• rabbit and butterfly
• butterfly and frog

Tags

NGSS.MS-LS2-3

What level consumer is the deer?

• primary

• secondary

• tertiary

• producer

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

If there are 100 Kcal of energy available in the producers, how much energy would be available in the primary consumers?

• 10 Kcal

• 1 Kcal

• 100 Kcal

• 1000 Kcal

Tags

NGSS.MS-LS2-3