Photo 51 is a picture of the structure of DNA that was used to create a model of DNA. Who created the photo?
James Watson and Francis Crick
Erwin Chargaft
Rosalind Franklin
Friedrich Miescher

The large ground finch obtains food by cracking seeds. what is its short, strong beak an example? a) tendency toward perfection b) adaptation of a species over time c) selective use and disuse of an organ over time d) scarcity of recourses

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

Set comes up with for examples of sound waves ocean wave light wave and hand wave which of tonys examples is not an actual scientific wave