What is the difference between the weather conditions to form a hurricane and a tornado?

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .

People with one sickle cell allele are not likely to get malaria. what is this an example of?