Conservation Biologists Estimate That 20 Percent of the World's Bird

question 69

True/False

Conservation biologists estimate that 20 percent of the world's bird species that existed 2,000 years ago are now extinct.

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Definitions:

E-cigarette Use

The act of inhaling vapor produced by an electronic cigarette, a device used as an alternative to traditional smoking.

Reuptake

A neurotransmitter’s reabsorption by the sending neuron.

Dopamine

A neurotransmitter involved in regulating mood, motivation, pleasure, and reward.

Withdrawal

A process or period of time during which one discontinues the use of a substance or abstains from a certain behavior, often leading to uncomfortable symptoms.