BRAINLIEST ANSWER CAN SOMEONE WRITE ME AN ESSAY ON SHAPING THE SURFACE? PLEASE IT IS A MONTH LATE TYSM IF YOU DO I GET 40 POINTS FOR DOING THIS!! PLEASE HURRY!

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome

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 .

Write the balanced chemical equation forphotosynthesis.