Biology - Semester 1 Final Review

Front

Why are many plants green?

Back

Chlorophyll reflects green light.

Front

What system helps the body respond to signals and information from both inside and outside the body?

Back

Nervous System.

Front

What mechanism does the body use to sense a change and react to it to maintain homeostasis?

Back

Negative feedback.

Front

What is the main organ of the nervous system?

Back

Brain.

Front

What level of organization is the brain?

Back

Organ.

Front

What pigment is primarily responsible for the green color in plants?

Back

Chlorophyll.

Front

What is the function of the nervous system?

Back

To control and coordinate the body's responses to internal and external stimuli.

Front

What is homeostasis?

Back

The maintenance of a stable internal environment in the body.

Front

What is the difference between negative feedback and positive feedback?

Back

Negative feedback reduces the output of a system, while positive feedback increases it.

Front

What are the main components of the nervous system?

Back

Brain, spinal cord, and nerves.