The answer is D
This is because in the first sentence it says invertebrates which means no backbone. It says that they can live in water, and says they DO have minor digestive systems. To quote"They have circulatory, nervous and digestive systems." So the answer is D
The best answer would be D, because celery and popcorn do not have a lot of vitamins and minerals, Hope this helped!!
B <span>Begin chest compressions.</span>