Which statement best decribes scientists who contributed to the current body of scientific knowledge

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.

Which level of taxonomy has the fewest organisms?