One reason plants have accessory pigment molecules, like chlorophyll b and carotenoids, is .

Drag the tiles to the boxes to form correct pairs. match the causes with their effects cause: tectonic plates at transform boundaries experience friction. cause: tectonic plates at transform boundaries experience friction. cause: earth is covered by a crust that runs miles deep.

Which of the following is directly affected by the cardiovascular system?

Explain the purpose of a molecular clock and the properties that a section of protein must have to be used in this way.