Animal Responses Quiz

What is the term used to describe a directed response to a stimulus?

• Taxis

• Phototaxis

• Chemotaxis

• Gravitaxis

If an animal moves towards light, what type of phototaxis is exhibited?

• Positive phototaxis

• Negative phototaxis

• Chemotaxis

• Gravitaxis

What is chemotaxis?

• Response to light

• Response to gravity

• Response to chemicals in the environment

• Response to water current

What is the response to gravity called?

• Taxis

• Phototaxis

• Chemotaxis

• Gravitaxis

What is thigmotaxis?

• Response to light

• Response to gravity

• Response to touch

• Response to water current

Which organism is negatively phototaxic?

• Planaria

• Euglena

• Both Planaria and Euglena

• Neither Planaria nor Euglena

What is the purpose of the eyespots in Planaria?

• To respond to light

• To respond to gravity

• To respond to touch

• To respond to water current

What is Planaria positively chemotaxic to?

• Light

• Gravity

• Touch

• Food