Which of the Following Geological Periods Is the Most Recent

question 65

Multiple Choice

Which of the following geological periods is the most recent (closest to the present) ?

• A) Devonian
• B) Cambrian
• C) Jurassic
• D) Silurian
• E) Cretaceous

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Definitions:

Synaptic Vesicles

Small structures within neurons that store neurotransmitters, which are released during neurotransmission to send signals to other neurons.

Synapse

The junction between nerve cells where neurotransmitters are released, allowing signals to pass from one neuron to another.

Spinal Cord

A vital part of the central nervous system, the spinal cord is a long, thin, tubular structure made of nervous tissue, which extends from the brain and is encased within the vertebral column, responsible for sending messages between the brain and the rest of the body.

Hormones

Biological molecules produced by glands that regulate bodily functions and behavior by traveling through the bloodstream to target organs.