A batch of 100 offspring is grown from a cross between a parent with a green stem and a mystery parent. All of the offspring have purple stems. What must be true of the mystery parent?

If animal agriculture was eliminated, how much grain would become available for human consumption?

Resperation is a way to release carbon back into the atmosphere

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 .