Final Synthesis.  Describe how a cell that is ‘FIXED’ can be used to estimate the time spent in the phases of mitosis.  Explain the process you used to determine the times for each phase.

How does secondary succession differ from primary succession?

Pulmonary arteries carry highly oxygenated blood. true or false?

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.