Food Chains, Webs, and Pyramids Practice

What is an organism that can make its own food called?

• producer

• consumer

• herbivore

• carnivore

In the food web shown, the snail would be considered...

• primary consumer
• secondary consumer
• tertiary consumer
• producer

If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?

• 10 Kcal
• 1 Kcal
• 100 Kcal
• 1000 Kcal

Only 10 percent of the energy stored in an organism can be passed on to the next trophic level. Of the remaining energy, some is used for the organism’s life processes, and the rest is

• Used in reproduction
• Stored as body fat
• Stored as body tissue
• Eliminated as heat

If these organisms were arranged in a food pyramid, which organism would have the least amount of total energy available?

• coyote
• insect
• lizard
• shrub

The diagram represents a pyramid of energy in an ecosystem.  Which level would most likely contain members of the plant kingdom?

• A
• B
• C
• D

Which organism recieves the least amount of energy from the producer?

• Owl
• Grasshopper
• Lilypad
• Mouse

All energy on Earth ultimately comes from what source?

• Water
• Sun
• Consumers
• Oxygen

An organism that eats the secondary consumer.

• Primary Consumer
• Secondary Consumer
• Tertiary Consumer
• Consumer

Organisms which carry out the process of decomposition by breaking down dead or decaying organisms.

• Consumer
• Producer
• Decomposer
• Herbivore