A student observes a shadow move across the sun during a solar eclipse. Which list represents the position of Earth, the sun, and the moon during this event?

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

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 .

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12