Which of the following is not associated with primary succession? A Lichen grows on bare rock and breaks it down into soil.
B Volcanoes formed new islands
C A forest completely wiped out by a tsunami.
D Glaciers retreated and exposed new land.

In this experiment you were asked to present three possible mechanisms. describe those mechanisms here and include drawings of those mechanisms. how will the bromination of trans-cinnamic acid and trans-stilbene allow you to distinguish between the three possibilities? what would you expect to find in your data in each scenario?

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism