From a Human Time Perspective, Most Mass Extinctions Would Appear

question 69

Multiple Choice

From a human time perspective, most mass extinctions would appear to ____.

• A) have occurred rapidly
• B) have  occurred gradually
• C) are immediately recognizable
• D) involve a complete wipeout of all living organisms
• E) have  only occurred in marine environments

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Definitions:

Antigen-specific Antibodies

These are antibodies that are produced by the immune system in response to a specific antigen, targeting it for neutralization or destruction.

MHC Class II

Molecules found on the surface of certain cells that present antigenic peptides to the immune system, crucial for the immune response.

Dendritic Cells

Immune cells that process antigen material and present it on the surface to other cells of the immune system.

B Cells

A type of white blood cell that plays a key role in the body's immune response by producing antibodies.