The Difference in Temperature Preference Between Two Populations of Daphnia

question 8

Essay

The difference in temperature preference between two populations of Daphnia water fleas is due to a mutation.The original population prefers temperatures near 20°C,while the mutant population prefers temperatures between 25°C and 30°C.Predict how natural selection might affect the geographical distribution of these two populations.

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Definitions:

Substance Use Disorder

A state where consuming one or more substances results in significant clinical impairment or distress.

Binge Drinking

A pattern of alcohol consumption in which a person consumes five or more drinks on a single occasion.

GABA

Gamma-Aminobutyric Acid, a neurotransmitter in the brain known for its inhibitory effects on the central nervous system, playing a role in reducing neuronal excitability throughout the nervous system.

Tolerance

The process by which the body becomes accustomed to a substance or drug, requiring increasingly larger doses to achieve the original effect.