The Most Widely Accepted Route into the Americas by the First

question 50

Multiple Choice

The most widely accepted route into the Americas by the first settlers is

• A) by sea along the Pacific coast
• B) across the Pacific from Japan
• C) across the Atlantic from Spain following ice flows
• D) by land from Siberia to Alaska

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Definitions:

Evolutionary Species Concept

A definition of species based on evolutionary lineage, where a species is a lineage of populations which maintains its identity from other such lineages and has its own evolutionary tendencies and historical fate.

Natural Selection

The process by which organisms better adapted to their environment tend to survive and produce more offspring.

Morphologically Different

Having distinct form or structure, especially between groups of organisms or parts of the same organism.

Diverged

Refers to the process where two or more entities become different or develop in different directions, often used in evolutionary biology to describe species.