The right answer would be b because as you learn more about it then it will become more clear
The correct answer is letter D. Rovers are vehicles tat are designed to travel the surface of a particular planet. These vehicles are actually designed to collect data and specimen that can be studied by scientists back here on Earth. These rovers can be designed to collect rocks, dust, and even take pictures.
I think the answer is flagella for movement. Because, prokaryotes don't have a nucleus, not all of them are unicellular, and I did not think that prokaryotes had organelles. But since is said "Select all that apply" I am assuming that the answer, or answers, are B and D. I hope this helps!
Cardiovascular muscle is the answer