Mudflows or Lahars Associated with Volcanoes Do Not Usually Cause

question 20

True/False

Mudflows or lahars associated with volcanoes do not usually cause much damage in a volcanic eruption because they are constrained to river valleys.

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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.