Which of the Following Commonly Held Beliefs About Single-Celled Organisms

question 118

Multiple Choice

Which of the following commonly held beliefs about single-celled organisms is,in fact,untrue according to evolutionary principles?

• A) Single-celled organisms are less evolved than more complex organisms.
• B) Single-celled organisms are well-adapted to their environments.
• C) Single-celled organisms are less complex than multi-celled organisms.
• D) Single-celled organisms are as evolved as human beings because of their ability to adjust and adapt to changing circumstances.

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Definitions:

Mucous Coat

A protective layer of mucus covering the inner lining of various organs and body cavities, serving as a barrier against pathogens.

Simple Cuboidal Epithelium

Simple cuboidal epithelium is a type of single-layered tissue consisting of cube-shaped cells, commonly found lining glands and ducts, serving both secretory and absorptive functions.

Urethra

the tube that conveys urine from the bladder to the outside of the body.

Peristaltic Waves

Sequential muscle contractions that occur in the digestive tract, moving food through the esophagus to the stomach and intestines.