Answer:
They serve us as shelters.
It protects us from many natural hazards like, rain,heat etc.
It provides a privacy to every person.
I'm not sure, but the prefix "bi" means "two" so I would say two divisions. Hope I helped! :)
Answer:
Mitosis is a necessary step in repairing cuts on the skin.
Explanation:
When the portion of tissue cracks, then there are cells wasted. So, mitosis will generate tones of fresh cells in periods to fill the break and secure the tissue greater again. This guarantees that the tissue is back to health and can perform accurately. It's like wound healing. A necessary goal of mitosis is to replenish dead or destroyed cells like skin cells that are continually being shed.
Members of the phylum called cnidaria contain stinging capsules that poison the entangled prey.