Which of the Following Is NOT a Characteristic of Amphibians

question 72

Multiple Choice

Which of the following is NOT a characteristic of amphibians?

• A)They have lungs.
• B)They have a cartilaginous skeleton.
• C)They are ectothermiC.
• D)They have a three-chambered heart.
• E)They have vertebraE.

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Definitions:

Action Potential

is a rapid increase and subsequent decrease in voltage across a cellular membrane, typically in a neuron, that occurs when a neuron sends information down an axon.

Peak Voltage

The maximum absolute value of voltage in a periodic waveform, indicating the highest point the voltage reaches.

Persisting Positive Charge

A lasting electrical charge characterized by an excess of protons, often seen in certain particles or materials.

Negative Charge

An electrical charge that results from an excess of electrons in an atom or molecule, leading to an attraction to positively charged particles.