Unit Test review

What is a conservation biologist?

• A scientist who creates formulas.

• A scientist who builds systems.

• A scientist that works at a zoo.

• A scientist who works to save nature.

What is the function of a pupil?

• To help an animal think about how to react.

• To compare new information to memories.

• To let light into an animal's eye.

• To send information to the brain.

What is the function of light receptors?

• To let light into an animal's eye.

• To receive light and absorb light from an environment.

• To help an animal think about how to react.

• To reflect light off of a prey.

What is the function of the brain? Choose 2

• To let light into an animal's eye.

• To help an animal think about how to react and to compare new information to memories.

• To send information to the brain.

• To see

A(n) ___________ is a special change an animal makes to survive.

• Prey

• Environment

• Adaptation

• Predator

What is the correct order that light/information travels to the brain?

• optic nerve - pupil - brain - light receptors

• pupil - light receptors - optic nerve - brain

• light receptors - pupil - brain - optic nerve

• brain - optic nerve - pupil - light receptors

An animal can see best at night, when it has ________ light receptors.

*

• A. large pupil

• B. small pupil

• C. high-sensitivity

• D. low-sensitivity

An animal can see best at day, when it has ________ light receptors.

*

• A. large pupil

• B. small pupil

• C. high-sensitivity

• D. low-sensitivity

A catfish is like a huge tongue because it has _________ receptors all over its body.

• A. smell

• B. hearing

• C. taste

• D. light

Which is NOT one of the five senses?

*

• A. hear

• B. tell

• C. taste

• D. touch