The Current Rapid Loss of Species Is Considered by Many

question 33

Multiple Choice

The current rapid loss of species is considered by many scientists to be another mass extinction. What may be causing this increase in extinction rate, beyond background extinction?

• A) a recent increase in earthquakes worldwide
• B) human population growth and the resulting habitat changes worldwide
• C) global climate change
• D) changes in the number of solar flares observed recently

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Definitions:

Clavicle

A long bone that serves as a strut between the shoulder blade and the sternum or breastbone, commonly known as the collarbone.

Scapula

The Scapula, commonly known as the shoulder blade, is a flat, triangular bone located on the back of the shoulder, connecting the humerus with the clavicle.

Sternum

A long flat bone located in the center of the chest, connected to the ribs via cartilage and forming part of the rib cage.

Humerus

A long bone in the upper arm that runs from the shoulder to the elbow, connecting with various muscles and joints.