Ecological Pyramid

As little as ____ percent of the energy at any trophic level is transferred to the next level; the rest is used up through metabolic processes and is lost as heat.

• 10

• 90

• 100

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

If the producers produce 1000 J of energy, how much energy does the secondary consumer level receive?

• 1000 J

• 10 J

• 100 J

• 1 J

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What kind of consumer would be at the top of this pyramid?

• Producer

• Primary consumer

• Tertiary consumer

• Secondary consumer

Tags

NGSS.MS-LS2-3

How is energy "lost" as energy goes up in the pyramid?

• It is lost as heat to the environment

• Organisms don't eat enough of the available energy in an ecosystem

• It is transferred up the pyramid

• Organisms eat eachother

Tags

NGSS.MS-LS2-3

Which organism is an example of a secondary consumer in this image?

• Mouse

• Snake

• Rabbit

• Fox

This is transferred between organisms in a food chain and is represented by arrows.

• nutrients

• photosynthesis

• energy

• food web

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Where does the energy come from initially in this food chain?

• Plants

• Sun

• Deer

• Wolf

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The amount of energy that usually transfers from one trophic level to the next.

• 10%

• 20%

• 80%

• 50%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following best describes an ecological pyramid?

• A graphical representation of the biomass at each trophic level

• A diagram showing the flow of energy in a food web

• A chart illustrating the number of organisms at each trophic level

• A model depicting the nutrient cycles in an ecosystem

In an ecological pyramid, which level typically has the most energy?

• Producers

• Primary consumers

• Secondary consumers

• Tertiary consumers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3