Which Geologic Event Is NOT Suspected as a Source of Major

question 1

Multiple Choice

Which geologic event is NOT suspected as a source of major climate change,and directly or indirectly,mass-extinction events?

• A)massive eruption of flood basalts
• B)eruption of supervolcanoes
• C)impact of asteroids
• D)very large earthquakes

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Definitions:

Phenotypes

The observable physical or biochemical characteristics of an organism, determined by both genetic makeup and environmental influences.

Type O Blood

A blood type characterized by the absence of A and B antigens on the surface of red blood cells, making it universally compatible as a donor.

Type AB Blood

A blood type in the ABO blood group system that has both A and B antigens on the surface of the red blood cells and no antibodies in the plasma against either antigen.

Dosage Compensation

A mechanism to balance the expression of X-chromosomal genes in organisms with sex chromosomes, ensuring that one sex does not have double the gene products of the other.