If an area has not had an earthquake in over a hundred years, there probably will not be another one.

If the chloroplast is the result of endosymbiosis, what membrane of the chloroplast represents the plasma membrane of the original prokaryote?

Where should the origin of the corona be placed on the phylogenetic tree?

Which of the following would most likely occur if the oxygen in a pond decreased?

Describe the shape of the Spirogyra cells. Which cellular structure gives rise to this shape?

What determines the damage caused to the human body by an electric shock

The benefit of social behavior that refers to searching for and collecting food is referred to as

Which of the following is the effect to contractile vacuole when Amoeba sp is placed in salt water? A. Burst and die B. Stop contracting C. Contract at fast rate D. Contract at slow rate

Which geochemical cycle involves mantle convection? Nitrogen Tectonic Hydrologic Carbon

Energy can be changed from one form to another. Changes in the form of energy are called energy conversions. In an automobile engine, fuel is burned to convert _energy into heat energy. The energy is then changed into energy.

Describe electron carriers and the electron transport chain.