Unicellular organisms consist of one cell only that performs all vital functions including metabolism, excretion, and reproduction. They are responsible for obtaining nutrients, producing energy, and making proteins.
Because with that the mitochondria will make ATP (energy) for the cell and your body
I just learned that today XD
Answer: 4.25%
Explanation:
As at Friday, May 28, 2021, the population of the United States of America is about 332,754,370. The population of the world is about 7,868,904,000.
Therefore, the percentage of the global population lives in the United States is about 4.25% that's 332,754,370/7,868,904,000 × 100%.
1. A , 2. D, 3. A , 4.C , 5. B , 6.A