Select all that apply. Head lice are tiny organisms that can be found on the eyebrows.

the eyelashes.

the top of the head.

the lips.

the ears.

Which best describes an adaptation that could be found in a fish that lives in a slow-flowing stream? the ability to attract prey by glowingextra gills, for oxygen extractionthe ability to grow largerextra fat, for warmth

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.

The response is the basis for vaccination. primary secondary tertiary none of the above