Ecological relationships

A rabbit eats grass, and a fox eats the rabbit. What is the fox in this food chain?

• Primary consumer

• Secondary consumer

• Tertiary consumer

• Decomposer

A bear eats berries and fish. What type of eater is the bear?

• Herbivore

• Carnivore

• Omnivore

• Producer

The process shown in the picture is called.

• Photosynthesis

• Sunlight absorption

• Water intake

• Carbon dioxide fixation

A cow eats grass, and then a wolf eats the cow. What is the wolf's role in the food chain?

• Producer

• Carnivore

• Hervibore

• Primary consumer

A cleaner fish eats parasites off a bigger fish. Both fish benefit. What is this called?

• Mutualism
• Parasitism

• Commensalim

• Predation

A parasite lives on a dog and takes its nutrients. What is this relationship?

• Parasitism

• Predation

• Commensalism

• Mutualism

A snake hunts for frogs in a pond. Which role does the snake play in this situation?

• Producer

• Prey

• Predator

• Hervibore

Barnacles attach to a whale's skin. They benefit by being carried to food sources, but the whale is not harmed.

• commensalism
• Mutualism

• Parasitism

• Predation

Lice live on the scalp of humans and feed on their blood. What is the human in this relationship?

• Predator

• Prey

• Host

• Parasite

Two birds of the same species are trying to build nests in the same tree. What is this an example of?

• Competition

• Mutualism

• Commensalism

• Predation