Quickly need this done quick

1. can you recall why the cell theory was developed?
2. what are the three parts of the cell theory?
3. based on what you know, how would you explain each part of the cell theory?
4. list the properties of life that cells possess.

blah

explanation:

bc blah

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.