The answer you're looking for is Panda because a panda has an organ system, the other choices are all microscopic organisms so they don't have an organ system
Hope this helped you out :)
It's is used by putting the lager chromosomes on the bottom and the smaller ones on the top so when they get DNA sample of something they can she if some thing is closely related or not
I believe the correct answer is C. Nektons include bony fish and squid.
I would say D! Purely because it is looking at the effects of humans (therefore related to topics more geographical).
Hope that helps. :)
