Answer:
mitochondria because it provides the cell with energy
It is student A .
It contains the study of plants and soil
Answer: No
Explanation: Elodea or Paramecium live in fresh-water lakes and they are not adaptive to salt-water. Oceans are salty and the cells will lose water due to osmosis and eventually dry up and fall apart.
Producers, because they're the start of the food chain and without them there will be no food chain.
They are semi-permeable because they can diffuse and pass through the plasma membrane easily.
