Species Relationships and Energy Flow

In the food chain below, which is the producer?

grass --> mouse --> snake --> hawk

• grass

• mouse

• snake

• hawk

What would happen to the organisms in the food web below if the number of rabbits decreased

• There would be less carrots and grasses

• There would be more foxes

• There would be less birds

• There would be more carrots and less foxes

Consumers that eat only plants are called

• Carnivores

• Omnivores

• Herbivores

• Scavengers

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

• Consumers

• Decomposers

• Producers

• Scavengers

A wolf eats a rabbit, that just ate some berries. What would you call the rabbit?

• Producer

• Omnivore

• Primary Consumer

• Secondary Consumer

What are animals called in a food chain?

• Producers
• Consumers
• Decomposers
• Plants

What is the role of a producer?

• Use sunlight to make food
• Gain energy from eating other organisms
• Keep other species from overpopulating
• Breaking down dead stuff 

Which type of consumer eats meat only?

• Producers
• Herbivores
• Carnivores
• Omnivores

Which type of consumer eats meat and plants?

• Herbivores
• Carnivores
• Omnivores
• Plants

An energy pyramid represents what?

• How much sunlight is available for the ecosystem to use.

• The available amount of energy in each trophic layer in an ecosystem

• How much energy is needed to build a pyramid.