Which of the Following Is Characteristic of Most Extant Reptiles

question 43

Multiple Choice

Which of the following is characteristic of most extant reptiles and most extant mammals?

• A) ectothermy
• B) diaphragm
• C) shelled eggs
• D) keratinized skin
• E) conical teeth that are relatively uniform in size

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Definitions:

Synaptic Vesicles

Small sacs in a synapse that release neurotransmitters into the synaptic cleft to transmit signals between neurons.

Neurons

Nerve cells specialized for transmitting electrical and chemical signals throughout the body and brain.

Synapse

a structure that permits a neuron (nerve cell) to pass an electrical or chemical signal to another neuron or to the target effector cell.

Electrical Activity

The movements of charged particles, such as electrons, which can occur within a variety of systems, including the neural circuits in the body.