Energy Flow in Ecosystems Quiz

__________________ is the rate at which plants make energy from the sun.

• Primary Productivity

• Secondary Productivity

• Biomass

• The ten percent rule

Organisms that make their own food

• Producer

• Consumer

• Decomposer

Organisms that break down wastes and dead organisms and return the raw materials to the environment

• Producer

• Consumer

• Decomposer

Consumers that eat both plants and animals

• Omnivores

• Carnivores

• Herbivores

• Scavengers

Consumers that feed on the bodies of dead organisms

• Carnivores

• Omnivores

• Herbivores

• Detrivores

The first trophic level in a food chain is always assigned to the ________________.

• Producers

• Primary Consumers

• Apex Predators

• Scavengers

As you work your way up the energy pyramid, what happens to the energy?

• It increases

• It decreases

• It stays the same

• Nothing

In the food web above, what organism is missing from this food chain:

Grass --> Slug --> ________ --> Hawk

• Vole

• Frog

• Insect

• Thrush

In the energy pyramid, what comes after the producers?

• Producers

• Primary Consumers

• Secondary Consumers

• Tertiary Consumers

What is the primary source of energy for the ecosystem pictured above?

• Grass and Green plants

• Hawks and Deer

• Tadpoles and Fish

• Sun