Mass Extinctions

question 7

Multiple Choice

Mass extinctions:

• A)represent loss of many species in a short time.
• B)allow surviving species to proliferate.
• C)can be reconstructed from fossil records.
• D)All of these choices are correct.

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Definitions:

Species Diversity

A measure of diversity within an ecological community that incorporates both the number of species present and their relative abundance.

Gradual Geologic Forces

Slow-moving natural processes that shape the Earth's surface over millions of years, including erosion and plate tectonics.

Current Landscape

The present state or condition of a particular field of interest or domain, considering all its influencing factors and elements.

Primitive

Describing an early or original stage in development, or characteristics that are simple and not derived from anything else.