Potassium, 4 shells, 1 valence electron
Nucleus
Nucleic acids, plasmids, and, rarely, thylakoids can be found in prokaryotic cells.
Answer:
do you know some people have golden blood
<span>"Autotrophs are the producers in a food chain, such as plants on land or algae in water" </span>
The answer is a simple radial nervous system.
Echinoderms do not have brains. Around their mouth, they have central rings from which nerves radially run into arms and along the body. Movement is controlled by the branches of those radial nerves.
