Answer:
C.
Explanation:
I would say that answer choice C is the best out of this selection. Carbon is the main element in organic compounds, and organic compounds just so happen to make up the cells that carry out life processes for all living things. Hope this helps.
When Carbon is combined with other molecules like oxygen, hydrogen, Carbon forms essential compounds for the maintenance of life, including sugars, alcohols, fats, aromatic esters, carotenoids etc. In fact the carbon composes the cell itself since it forms the basic structures of the cell membrane: Cholesterol, Phospholipids, Carbohydrates.
Hope this helps! :)
Products of aerobic respiration would be water and carbon dioxide
Answer:
Parasitic
Explanation:
The tapeworm only takes and doesn't give anything back
Answer:
a
Explanation:
the total amount of solar energy that reaches the earth is too low to be useful
Answer: Option C.
Explanation:
The bird's lung are said as more efficient than a human or mammals.
The bird's are having small lungs with nine air sacs playing an important role in respiration.The air sacs allows a unidirectional flow of air inside the lungs while in human the air flow takes place in bidirectional. Unidirectional flow results in the flow of fresh air along with high oxygen content in bird's lung. So, there is more oxygen available to diffuse into the blood in bird lungs.
Hence, the correct option is C.