At the Root of the Tree of Life

question 75

Multiple Choice

At the root of the tree of life

• A) is the common ancestor of all life on Earth
• B) is the common ancestor of all mammals
• C) are viruses
• D) are human beings

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Definitions:

Natural Processes

Biological, chemical, and physical actions or events that occur within natural ecosystems without human intervention.

Decades

Periods of ten years.

Natural Disturbance

Events occurring in nature, such as forest fires, floods, and hurricanes, that disrupt ecosystem structures and functions but can also lead to biodiversity and regeneration.

Status Quo

A term denoting the existing state or condition of affairs.