What vertebrate class conceives their young within the reproductive tract of the mother and, after birth, nourishes them with milk produced by mammary glands?

A) Aves

B) Amphibia

C) Reptilia

D) Mammilia

Describe how the relative numbers of PDS and NPDs can be used to establish linkage.

Which conditions would cause an increase in the salinity of ocean water? A. a river flowing into the sea B. high rates of evaporation C. thawing of glaciers D. cold weather

What determines the genotype of an organism? A. The number of children the organism has B. The foods the organism eats during its life C. The amount of sleep the organism gets D. The alleles that are passed from parents to offspring

Which of the following statements is FALSE? Which of the following statements is FALSE? A) A prophage can "pop" out of the chromosome. B) The prophage makes the host cell immune to infection by other phages.

The muscle that extends the forearm when doing push-ups is the

If there is a mutation, and the wrong amino acid is put into sequence, what is the result?

What is tolerance (explanation)

Which actions should a nurse take while caring for a preschooler whose blood lead level is found to be 25 mcg/dl? select all that apply?

Sodium benzoate is a bitter chemical often used in tiny amounts as a food preservative. The ability of humans to taste sodium benzoate is caused by a dominant allele, t. The recessive allele ("non-taster") is n.

Which of the following correctly displays the sequence of developmental milestones? A) blastula → gastrula → cleavageB) cleavage → gastrula → blastulaC) cleavage → blastula → gastrulaD) gastrula → blastula → cleavage