Unit2, Less.4: Info Processing

Front

What is the term for the actions taken by an organism in response to a stimulus?

Back

Behavior

Front

Which part of the eye detects light and produces nerve signals sent to the brain?

Back

Cells in the retina

Front

What is the self-regulating process by which a living organism maintains internal stability called?

Back

Homeostasis

Front

Give an example of how the need to maintain homeostasis can cause an organism to change its behavior.

Back

A human shivers when exposed to cold weather.

Front

What type of sensory receptors detect pressure, movement, and tension?

Back

Mechanical receptors

Front

What is the role of the iris in the human eye?

Back

The iris controls the amount of light entering the eye.

Front

What is the function of the lens in the eye?

Back

The lens focuses incoming light onto the retina.

Front

What is a stimulus?

Back

A stimulus is any change in the environment that causes a response in an organism.

Front

What are sensory receptors?

Back

Sensory receptors are specialized cells that detect and respond to specific types of stimuli.

Front

What is feedback in biological systems?

Back

Feedback is a process that helps maintain homeostasis by adjusting physiological processes based on changes in the environment.