Although Extinction Is a Natural Process, Current Extinctions Are of Concern

question 3

Multiple Choice

Although extinction is a natural process, current extinctions are of concern to environmentalists because ________.

• A) more animals than ever before are going extinct
• B) most current extinctions are caused by introduced species
• C) the rate of extinction is higher than background extinction rates
• D) current extinction is primarily affecting plant diversity

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Definitions:

Coronary Arteries

Blood vessels that supply blood to the heart muscle, essential for its functioning.

Arrhythmia

an irregularity in the heartbeat or heart rhythm, ranging from minor palpitations to serious heart conditions.

Cardiac Arrest

A sudden, unexpected loss of heart function, breathing, and consciousness, usually resulting from an electrical disturbance in the heart.

Lymph Vessels

The network of vessels that carry lymph, a clear fluid rich in white blood cells, throughout the body as part of the lymphatic system.