Natural Selection Is BEST Described As

question 24

Multiple Choice

Natural selection is BEST described as:

• A)the ability to generate new traits that better suit the species.
• B)increasing the perfection of a species.
• C)working on the existing variation of traits to favor those better suited to the organism's environment.
• D)causing the death of a significant proportion of the population.
• E)driving the species toward an eventual endpoint in which the species possesses the best possible adaptations for that particular environment.

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Definitions:

Fontanels

Soft, membranous gaps between the cranial bones of an infant's skull that facilitate birth and brain growth.

Fetal Skull

The developing skull of a fetus, characterized by soft spots known as fontanels, which allow for growth and flexibility during birth.

Ethmoid

A lightweight, spongy bone located at the root of the nose between the eyes, forming part of the cranial floor and part of the nasal cavity and eye orbits.

Sphenoidal

Pertaining to the sphenoid bone, a butterfly-shaped bone at the base of the skull that plays a crucial role in the cranial structure and houses the pituitary gland.