Astrange new bacterial cell is discovered by your research team near sulfur vents in the ocean. this new bacteria seems to be lacking any proteins in its cell membrane. when you take it out of its environment, it begins to die because it needs calcium ions, ca+. if the concentration inside the bacteria is 100 ppm, what concentration of ca+ in the solution outside the bacteria would keep it alive?

What type of genetic drift would be simulated if all the beans that were not selected died out?

How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.

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 .