Classification

question 2

Multiple Choice

Classification.Choose the proper item below for the following statements.
a.operon
b.operator
c.promoter
d.lactose
e.regulator gene
-Which is the smallest unit of life that can exist as a separate entity?

• A) a cell
• B) a molecule
• C) an organ
• D) a population
• E) an ecosystem

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Definitions:

Sensation

The process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment.

Vision

The ability to see; the sense that allows organisms to detect light and perceive the colors, shapes, and depths of their surroundings.

Sensation

Sensation is the process by which sensory receptors and the nervous system receive and interpret stimuli from the environment, such as light, sound, and touch.

Perception

Perception is the process by which organisms interpret and organize sensory information to produce a meaningful experience of the world.