<span>A. transformation is the answer </span>
Nitrogen is not necessary <span />
the answer is a basalt rock.
<span>The answer is nerve net.
Jellyfish has a nerve net that surrounds its
whole body. It makes a series of interconnected neurons that form net-like structure. This net surrounds the whole body of the jellyfish. Some jellyfish may have sensory structures, motor nerve net, and diffuse nerve net. Sensory structures receive environment signals and send them through diffuse nerve net to motor nerve net that activates muscle contractions.</span>
Answer:
C
Explanation:
eukaryotic cells do have a nucleus, so it would be wrong to say that they don't have a nucleus.
