Which phrase best describes evolution? (If I get another link-) A sudden replacement of one community by another

An adaptation of an organism to its environment

A process of change in organisms over a period of time

A geographic or reproductive isolation of organisms

I uploaded the answer to a file hosting. Here's link:

cutt.ly/zxt1ipy

where is the diagram?

if you insert the diagram ill be able to you

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.