Which of the following is an example of homeostasis in animals?
a. a beaver builds a dam.
b. an insect sheds its exoskeleton.
c. a dog pants after running in the park.
d. a grouse fans its tail and inflates its air sac.

What kind of seafood would you expect to have the highest levels of mercury and why? kelp, because they use the sun to photosynthesize on the bottom trophic level. oysters, because they filter feed on plankton on a lower trophic level. small fish, because they eat plankton on a higher trophic level. sharks, because they feed on organisms on a higher trophic level.

How does a lytic infection differ from a lysogenic infection?

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