The Position of Mammals in Evolution Is Best Described as

question 65

Multiple Choice

The position of mammals in evolution is best described as

• A)they dominate life in the sea.
• B)they were among the first animals to live on land and their variety outstrips all living things known.
• C)they arose from mammal-like reptiles in the Triassic but remained small and insignificant while dinosaurs dominated the land.
• D)mammals gave rise to birds.
• E)mammals have been present since plants and other organisms first appeared on land.

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Definitions:

Sodium

A chemical element (symbol Na) that is a highly reactive metal and an essential nutrient for living beings, playing a critical role in nerve function and fluid balance.

Normal Range

The set of values within which a physical or biological parameter is considered standard or acceptable.

MEq/L

Milliequivalents per liter, a unit of concentration used in chemistry and medicine to measure the concentration of ions in a solution.

Sodium

A chemical element, essential for life, that plays critical roles in the body, particularly in nerve transmission and fluid balance.