Why Are Cells Called "The Fundamental Unit of Life

question 1

Multiple Choice

Why are cells called "the fundamental unit of life"?

• A) All known organisms have one or more cells.
• B) Earliest life on Earth is hypothesized to have been single-celled.
• C) Some cells are separate living entities that can survive individually.
• D) Cells are the smallest unit of life that can function independently.
• E) All answers are correct.

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Definitions:

Fallopian Tubes

A pair of tubes along which eggs travel from the ovaries to the uterus in the female reproductive system.

Cyst

A closed sac-like structure that can be filled with fluid, pus, or other material, occurring anywhere in the body.

Bulbourethral Gland

One of the two small glands found in the male reproductive system responsible for secreting a clear fluid that lubricates the urethra and neutralizes acidity.

Oocyte

A female germ cell involved in reproduction; essentially an immature egg cell.