Energy transfer in an ecosystem

Front

What happens to the amount of energy available to organisms when moving from trophic level 1 to trophic level 2?

Back

The energy decreases by approximately 90%

Front

Which organism should be in the 1,000 J level? Options: Grass, Grasshopper, Frog, Raccoon

Back

Grasshopper

Front

Which organism should be in the 1 Joule portion? Options: Raccoon, Frog, Small mouth bass, Grass

Back

Raccoon

Front

Which activity transfers energy from one trophic level to another in an ecosystem?

Back

A grasshopper eating a grass by a pond

Front

Which organism has the most available energy? Options: Grass, Deer, Hawk, Insect-eating bird

Back

Grass

Front

Producers are found at the bottom of the pyramid because producers

Back

Provide energy for the consumers

Front

In an energy pyramid, the total energy available for consumption from one trophic level to the next one above it is:

• Reduced
• Conserved
• Multiplied
• Evenly distributed

Back

Reduced

Front

How is energy released by an organism? (This includes plants and animals.)

Back

It is released into the ecosystem as heat.

Front

When organisms use energy what is created?

Back

Heat is released

Front

What role does the crayfish take on in the food chain?

Back

Scavenger