the 20._______(a. largest b. smallest c. longest d. lowest ) unit of every living things is a cell . An 21._____(a. organelles b. organ c. organism d. organ system) can be made of a single cell (like bacteria) or many cells (like plants and animals). thus, the basic building blocks of all organisms is the cell.
Answers & Comments
Answer:
20. B. Smallest
21. C. Organism
Explanation:
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