Answer:
Because different cells are needed for various things. One single cell cannot do everything by itself.
Explanation:
Yes they should be viewed as nonliving. Because viroids are just like viruses without protein coats. They are similar to viruses excepte the protein coat. And prions are like malfunctioned proteins. They cause diseases too but they are non-living too. Because they too, don't have any metabolics reactions.
Answer:
Ima say its a saturated Phospholipid but im not sure
Explanation:
Most likely clay, silt and sand are to be found in samples of rocks.
B.
Humans are also part of ecosystems and if they cease to exist, human well being will be affected.
