Evolutionary Relationships

Question 6 • 26/27 EARTH & SPACE SCIENCE A

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Answer

is a point in a cladogram where a single ancestral lineage breaks into two or more descendant lineages.:

Node

is a group of organisms that includes an ancestor and all of its descendants.:

Clade

is any named group of organisms, whether they form a clade or not.:

Taxa

Populations and the Environment

Spheres of Earth

Spheres of Earth