Color is the least reliable
<span>B. A prokaryotic cell does not have nucleus and the other one does. The most defining characteristic of eukaryotic cells is their true nucleus. Prokaryotes lack true nucleus</span> and membrane bound organelles.
Answer:
the complex of nerve tissues that controls the activities of the body. In vertebrates it comprises the brain and spinal cord.
Explanation:
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Answer:
round worms reproduce sexually
the nervous system of a roundworm contains a brain and nerve cords
