Flow of Energy

An energy pyramid of an ecosystem is shown. Which of the following is true about this ecosystem?

• Energy in this ecosystem flows from grasshoppers to grass

• Energy in this ecosystem flows from snakes to grasshoppers

• Energy in this ecosystem flows from hawks to snakes

• Energy in this ecosystem flows from grass to grasshoppers

The owl receives energy from which organisms?

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

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

All energy on Earth ultimately comes from what source?

• Water
• Sun
• Consumers
• Oxygen

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

NGSS.MS-LS2-3

An organism that uses sunlight to create its own food is known as a:

• Producer
• Heterotroph
• Consumer
• Decomposer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is the correct equation for PHOTOSYNTHESIS?

• CO₂ + light + H₂O --> O₂ + Sugar
• CO₂ + sugar + H₂O --> O₂ + light
• _O2 + light + H₂O --> CO₂ + Sugar
• CO₂ + O₂ + H₂O --> Light+ Sugar

Tags

NGSS.MS-LS1-6

What are the products of photosynthesis?

• water and carbon dioxide
• oxygen and glucose
• oxygen and carbon dioxide
• oxygen and water

Tags

NGSS.MS-LS1-6

What kind of energy is in food?

• radiant

• Chemical

• thermal

What kind of energy is movement?

• radiant

• chemical

• mechanical

What kind of energy happens when you sweat?

• mechanical

• radiant

• thermal

What kind of energy is necessary to start the process of photosynthesis?

• Radiant

• Chemical

• mechanical