What is the purpose of a flowers petals
a. to produce pollen
b. to protect the plants seed
c. to be attractive so more plants are planted by people
d. to attract animals that will pollinate the plant

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions

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

What is the difference between a scientific hypotheses and a scientific theory?