Energy Flow Practice

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.

• It shows how sunlight flows within an ecosystem.

• They show the direction the energy is flowing between organisms.

• They represent how water is transferred within a habitat.

A wolf eats a rabbit, that just ate some berries.  What would you call the rabbit?

• Producer
• Omnivore
• Primary Consumer
• 2nd order Heterotrph

An organism that gets energy from breaking down dead organisms, non-living material or waste is a(an) ___________.

• producer
• consumer
• decomposer
• autotroph

In the food web above, what organism is a tertiary consumer?

• Fox

• Frog

• Vole

• Grass

The efficiency of energy transfer from a lower trophic level to the next highest level is roughly

• 1%
• 10%
• 100%
• 1000%

Why is energy flow in ecosystem important?

• nothing.

• the flow is not that important.

• an ecosystem, energy is frequently transformed from one form to another.

• energy flow in the ecosystem is important to maintain an ecological balance.

What does NOT produce carbon dioxide?

• Photosynthesis
• Burning Fossil Fuels
• Animal respiration
• Plants decaying

Carbon can be found in...

• The atmosphere
• Soil
• Fossil fuels
• All of the above

The diagram shows the flow of organic molecules through an ecosystem. What two processes are identified by the labels X and Y?

• X : Respiration
  Y : Predation
• X : Adaptation
  Y : Decomposition
• X : Fermentation
  Y : Nitrogen Fixation
• X : Decomposition
  Y : Respiration

C₆H₁₂O₆ is also known as glucose (sugar). Where is it found?

• Plants

• Animals

• Both plants and animals

• Neither plants or animals