How Do Altruistic Behaviors Arise Through Natural Selection

question 1

Multiple Choice

How do altruistic behaviors arise through natural selection?

• A) By his/her actions, the altruist increases the likelihood that some of its genes will be passed on to the next generation.
• B) The altruist is appreciated by other members of the population because their survivability has been enhanced by virtue of his/her risky behavior.
• C) Animals that perform altruistic acts are allowed by their population to breed more, thereby passing on their behavior genes to future generations.
• D) Altruistic behaviors lower stress in populations, which increases the survivability of all the members of the population.
• E) All of the options are correct.

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Definitions:

Electrical Signals

Impulses generated by movements of ions across cell membranes, used for communication between neurons or between nerves and muscles.

Neural Tissue

Specialized tissue making up the central and peripheral nervous system, consisting of neurons and glial cells.

Environmental Changes

Alterations in the external surroundings that can influence ecosystems and human activities.

Synaptic Cleft

The synaptic cleft is the narrow space between a neuron and its target cell, where neurotransmitters are released to facilitate communication.