LSD Is Extremely Potent __________

question 55

Multiple Choice

LSD is extremely potent __________.

• A)but surprisingly,its toxicity is relatively low
• B)and unfortunately,its toxicity is relatively high
• C)but its toxicity is higher than that of cocaine
• D)but when taken orally,none of it reaches the brain

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Definitions:

Directional Selection

A type of natural selection in which one extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype.

Selection Differential

A measure of the difference between the mean phenotype of the selected parents and the mean phenotype of the general population.

Narrow Sense Heritability

A measure of how much of the variance in a trait among individuals in a population is due to additive genetic factors.

Neck Length

A physical trait referring to the distance from the base of an animal's skull to its shoulders, significant in studies of natural selection and adaptation.