Which of the Following Is Least Likely to Be a Cause

question 30

Multiple Choice

Which of the following is least likely to be a cause of extinction?

• A)asteroid impact
• B)human activity
• C)adaptive radiation
• D)tectonic activity
• E)climate change

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Definitions:

Green Algae

A large group of photosynthetic, primarily aquatic organisms, including both unicellular and multicellular forms, that are similar to plants in having chlorophyll a and b.

Amoebozoans

A group of amoeba-like eukaryotes, characterized by their amorphous shape and movement through cytoplasmic streaming.

Flagella

Long, whip-like appendages that protrude from the cell body of certain prokaryotic and eukaryotic cells, used for locomotion or sensory functions.

Serial Endosymbiosis

The hypothesis that certain organelles such as mitochondria and chloroplasts originated as symbiotic prokaryotes that lived inside other free-living prokaryotic cells.