There Are Many Branches to the Lineage Between Early Primates

question 33

Multiple Choice

There are many branches to the lineage between early primates and living primates, but this concept relies on one factor,

• A) a common ancestor who as yet is unknown.
• B) all direct lineages between past and present.
• C) no extinctions of any lineages.
• D) no one common ancestor, but a large number of them.

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Definitions:

Muscular Paralysis

The loss of muscle function in part of your body, typically resulting from damage to the nervous system.

Acetylcholine

A neurotransmitter in the nervous system that plays an important role in muscle activation and memory functions.

Neurotransmitter

A neurotransmitter is a chemical substance that transmits nerve impulses across a synapse from one neuron to another.

Serotonin

A neurotransmitter that plays a key role in mood regulation, appetite, sleep, and other functions of the body.