4. Infer how scientists used knowledge gained from the I microscopic world to develop the three tenets of the cell
theory:
1. Cells are the basic unit of life.
2. All cells come from pre-existing cells.
3. All organisms are composed of one or more cells.

Suppose a scientist measures the amount of dna per cell of a particular diploid species at various stages of meiosis. she finds that the meiotic cells contain 3.7 pg , 7.3 pg , or 14.6 pg of dna. match each stage of the cell cycle to the corresponding amount of dna contained within a cell at that stage.

How many major plates cover the earth

All organisms contribute some water to the water cycle by conducting