Ecosystem Test Review

A ______________________ is a linear sequence that shows how energy is passed from one living thing to another in the ecosystem.

• Food Web

• Food Chain

• Trophic Level

• Food Web

A bear feeds on both berries and insects. What term best describes this type of consumer?

• Herbivore

• Carnivore

• Omnivore

• Detritivore

In the food chain Algae -->  Small Fish--> Large Fish --> Osprey, what role does the Osprey occupy?

• Producer

• Primary consumer

• Secondary Consumer

• Tertiary consumer

Consider the food chain: Grass --> Grasshopper -->  Mouse -->  Snake --> Hawk. Which organism eats the primary consumer?

• Grasshopper

• Mouse

• Snake

• Hawk

Which organism in a food chain typically has the highest energy available within an ecosystem.

• Primary consumer

• Secondary consumer

• Producer

• Tertiary consumer

What percentage of energy is transferred from one trophic level to the next?

• 10%

• 100%

• .1%

• 1%

What organisms break down the remains of dead organic matter?

• Heterotrophs

• Consumers

• Decomposers

• Producers

True or False: Another word for producers are heterotroph?

• True

• False

A biological community where living things interact with one another and with their environment is called an:

• Biosphere

• Community

• Ecosystem

• Pond

Many individuals of the same species living together in a defined area form a

• Community

• Population

• Genus

• Ecosystem