Yosef is so intrigued by what he sees in his microscope that he walks to a nearby pond and collects a sample of pond water to learn more about paramecium. He uses a single drop of the pond water to create a wet mount slide How do the structures observed under magnification help the organism carry out basic functions of life?

his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.

thinking it would be physical characteristics

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.