The smallest unit of life would be the cell, for every living thing is made of cells, and no living thing is smaller.
Answer:
Click on the picture to get full view. I wrote about chemical properties also so you can compare and contrast and it can help show the physical properties more :)
Answer: Haploid cells join to form an organism that has half the number of chromosomes as the parent. Haploid cells join to form an organism that has a complete set of chromosomes.
Explanation: