When is observation a better tool for proving a hypothesis than experimentation?

If the dimensions of a cube-shaped cell with a length, height, and width of 1 micrometer were to double, what would be the cell's new ratio of surface area to volume? a.3 to 1 b.4 to 3 c.1 to 2 d1 to 6

How do the sperm cells get from the stigma to the ovules?

Which of the following terms would bb represent in an organism? a. phenotype b. genotype c. genetics