Hookworms and Threadworms Usually Enter the Body by Penetrating into the Skin

question 20

True/False

Hookworms and threadworms usually enter the body by penetrating into the skin.

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Definitions:

Sympatric Speciation

The process by which new species evolve from a single ancestral species while inhabiting the same geographic region.

Sister Groups

The two lineages that emerge from a node on a cladogram.

Hardy-Weinberg Equation

A principle used in genetics to calculate the frequency of alleles and genotypes in a population's gene pool under ideal conditions.

Recessive Allele

An allele that only expresses its phenotype when two copies are present, as opposed to when a dominant allele is present.