Food Webs and Trophic Levels

How do food webs represent the flow of energy in the model?

• Food web models represent energy flow using arrows.

• Food web models represent energy flow by separating predator and prey.

• Food web models represent energy flow by organizing organisms by size.

• Food web models represent energy flow through chemical reaction equations.

An organism that obtains energy by eating other organisms.

• Consumer
• Producer
• Decomposer
• Detriov

An organism that obtains energy by consuming plants and animals.

• Omnivores
• Carnivores
• Herbivores

An organism that obtains energy by consuming plants.

• Omnivore
• Herbivore
• Carnivore

Animals that only eat producers (also known as herbivores)

• Producers

• Primary Consumers

• Secondary Consumers

• Tertiary Consumers

What are "trophic levels"?

• Levels in a food web/food chain
• Levels of land in a mountain
• Animal diets

Grass: Producer, consumer or decomposer?

• Producer
• Consumer
• Decomposer

First trophic level of a ecological pyramid includes

• producers

• primary consumers

• secondary consumers

• tertiary consumers

When constructing an energy pyramid of a swamp ecosystem, which of these would be placed at the top of the pyramid.

• Grass carp

• American Alligator

• Eastern mud turtle

• Great blue heron

Generally about ____________ percent of the energy at one trophic level is available to the next trophic level.

• 10

• 25

• 50

• 90