A human skin cell contains 46 chromosomes. A frog sperm cell contains 12 chromosomes. Which
pair of numbers shows the chromosome number of
a normal gamete from each of these species?

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.

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Recombinant dna (rdna) creates offspring which are genetically identical to the parent is the process of breeding only organisms with desirable traits involves the removal of the nucleus of a cell combines genes from organisms of different species in a lab