Which question could be answered using DNA as a molecular clock? How old is a dinosaur bone? How long ago was a dinosaur track left in the mud? How long ago did two species of birds share an ancestor? How old was a bird when it died?

The movement of a magnetic pole away from the actual pole

What is stored in carbon bonds

A group of similar cells that work together will form a (n): a. organ b. joint c. connection d. tissue

What should i know about proteins?

Most Swiss starlings produce four to five eggs in each clutch. Starlings producing fewer, or more, than this have reduced fitness. Which of the following terms best describes this situation? a. directional selection b. stabilizing selection c.

What happens during anaphase

What would happen if both male and female passed on their whole genes?

Calculate the distance penny rides her bicycle. if she rides 1/4 mile each day for 11 days.

An area of land that is covered with a shallow layer of water during some or all of the year is called

What is the role of the atp in the cell