The Difference in the Flow Rates of Sodium and Potassium

question 57

Multiple Choice

The difference in the flow rates of sodium and potassium ions across the cell membrane leads to

• A) a slightly higher concentration of negatively charged ions inside the cell.
• B) a negatively charged action potential.
• C) a slightly lower concentration of negatively charged ions inside the cell.
• D) both a negatively charged action potential and a slightly lower concentration of negatively charged ions inside the cell.

Describe how certain marine animals feed and relate this to their ecological roles.

Recognize adaptations of marine animals to their environments.

Discuss the modes of reproduction in different marine species.

Differentiate between various sensory mechanisms in marine animals.

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