Person because people have genes<span />
Answer:
Since sea urchins are picky, they are used as indicator organisms in public aquariums to determine if the system is functioning properly. This is because they are very "picky" about water quality. If the water is contaminated, the sea urchins will be the first to show signs of stress, spines laying down or falling off. Do use an aquarium filter and do clean up the day after feeding. Any metal exposed to the seawater will corrode and poison the tank. A dying sea urchin will often spawn out and rot out, causing the others in the tank to spawn and die as welll.
Explanation:
The process of grouping things based on their similarities is classification
We are wearing masks so we are breathing in CO2 which is not good for us. We are meant to breathe in oxygen and breathe out co2
Answer:
The answer is B) monomer of starch and cellulose.
