Afarmer sprays insecticide on his crops to kill unwanteed insects. most of the insects die, and the chemicals have the effect of damaging the dna of the insects that are not killed. what of these happened?
a- sexual selection among rthe insects has changeds the gene pool
b-genetic equlibrium has been maintained
c- mutations have arisen that may have alteresd allele frequescies
d-indidviduals with new genes have immigrated into the population.

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources? (site 1)

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards.the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote

Where can a dna be found in a prokaryotic cell