Isolating Mechanisms, Besides That of Geography, Include Which of the Following

question 2

Multiple Choice

Isolating mechanisms, besides that of geography, include which of the following?

• A) failure of hybrids to survive or breed
• B) failure of embryos to develop
• C) climate
• D) different flowering times
• E) All of these answers are correct.

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Definitions:

Brachial Plexus

A network of nerves that originate from the spinal cord in the neck and supply the arm and hand.

Phrenic

Relating to the diaphragm, especially a nerve that originates in the neck and passes down between the lung and heart to reach the diaphragm.

Thoracic Plexus

A network of nerves in the thoracic region of the body that is involved in controlling the chest muscles and sensory perception in the thoracic area.

Spinal Plexuses

Networks of interlinked nerves originating from the spinal cord, which supply sensation and motor control to various parts of the body.