Two different cells good day
Answer:
The "gills" and "tail" disappear before birth. Simple
Animals, they only have a cell membrane, not cell walls.
I don't know what the answer choices were, though, but I hope this helps.
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 :)
