Answer:
I am 95% sure its b, if not then it is c
Answer: The majority of animals on our planet, about 95 percent, do not possess a true backbone and are called invertebrates. It's common knowledge that vertebrates like humans have a complex nervous system that reacts to stimuli, but much less is known about invertebrates like shrimp and insects. While it's somewhat different from that of vertebrates, shrimp do have a central nervous system comprised of four main parts.
Explanation:
A hydra removes undigested food by pulling the food out with it's tentacles.
Answer:
I believe the answer is Biological magnification. please tell me if I'm wrong.
DNA and RNA are both <span>molecules that contain genetic information and are made up of nucleotides. The answer to your question is B.</span>