<span>C. Cells, Tissues, Organs, Organ Systems
The answer is C. Cells are the fundamental unit of life. Without them, life would not possibly exist. Well that is according to the cell theory, which states that cells are the basic unit of life, cells came from pre-existing cells and cells make up living organisms.
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Meaning: A dark color or material obtained by heating organic matter or wood.
Answer:
450 kilocalories.
Explanation:
Since only 1/10th of the energy that an organism consumes is passed onto the next level of the pyramid, that would mean only 500/10 = 50 kilocalories are passed on, and the remaining 500 - 50 = 450 kilocalories are used up.
Hope this helped!
I believe the answer is C
Answer:
weak acid
Explanation:
4-6.9 belongs to weak acids
