The main function of the respiratory system is to allow the exchange of gases between the atmosphere and the lungs.
Hence,the only structure that carries out this function is the alveoli as other structures such as the nose,trachea and pharynx transport gases to the alveoli just so that it can can out its function.
Answer:
Decomposers
Explanation:
Without decomposition, there is no life really. Although producers give off oxygen and food to consumers, they need organic and inorganic materials, water, air, carbon dioxide, etc. While decomposers, work with what they got
Lawn and farming fertilizer is harmful to the enviroment due to the abundance of chemicals. When it rain or seeped underground, the fertilizer leaked into the nearby lake and thus, all the fish died to the chemicals in the fertilizer.
Answer:
Option C, Cell Y
Explanation:
Prokaryotic cells are the most primitive type of organism that do not possess a true nucleus in them. They do not even have true membrane-bound organelles.
The prokaryotes have a plasma membrane as their protective covering which helps them to survive in extreme conditions.
They also possess a rigid cell wall which also provides them protection and rigidity. Example: Archaea and bacteria.
I hope that this helped you
