Unit 8 day 1

Multiple Choice

The Gobi fish and shrimp live closely together. The nearly blind shrimp keeps a burrow for it and the Gobi fish to live. The Gobi warns the shrimp of predators. The shrimp lets the fish live in the burrow. This is an example of

• mutualism

• commensalism

• parasitism

Multiple Choice

Hermit crabs use the shells of dead snails for homes. What type of interaction is this?

• mutualism

• commensalism

• parasitism

Multiple Choice

Tapeworms enter the body of their host. They live by taking nutrients from the host organism. This is an example of

• mutualism

• commensalism

• parasitism

Multiple Choice

_______ occurs when 1 organisms kills and eats another for food.

• Symbiosis

• Competition

• Predation

• Collaboration

Multiple Choice

_______ occurs when two organisms are trying to acquire or get the same resources.

• Symbiosis

• Competition

• Predation

• Collaboration

Multiple Choice

A type of symbiosis in which both species benefit is called...

• mutualism

• commensalism

• parasitism

Multiple Choice

A type of symbiosis in which one species benefits and the other is not affected is...

• mutualism

• commensalism

• parasitism

Multiple Choice

A type of symbiosis in which one species benefits and the other is harmed or killed...

• mutualism

• commensalism

• parasitism

Food Chain vs. Web

• Chain: Path in which energy is transferred from one organism to the next.

• Web: Shows the energy flow and possible feeding relationships within an ecosystem.