For Most Plant Ananimal Groups, Thnumber of Species Is Greatest

question 19

Multiple Choice

For most plant ananimal groups, thnumber of species is greatest

• A)at latitude zero.
• B)at latitude 10° north.
• C)at latitude 20° north.
• D)at latitude 30° south.
• E)at latitude 50° north.

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Definitions:

Action Potential

A temporary reversal in the electrical potential across a plasma membrane that occurs when a cell has been activated by a stimulus, essential for nerve impulse conduction.

Electrical Charge

A physical property of particles or objects that causes them to attract or repel each other due to the presence of electric charge, either positive or negative.

Neuron

A cell dedicated to sending signals in the form of nerve impulses; known as a neuron.

Antagonist

A substance that interferes with or inhibits the physiological action of another, particularly in pharmacology referring to a drug that blocks the action of a neurotransmitter or hormone.