Unlike secondary succession, primary succession
a. occurs in an area where existing communities still exist.
b. proceeds at a much faster rate.
c. has the challenge of occurring in areas where no community exists at all.
d. leads to an increased number of different species over time.

Why is it important to study each branch of earth science?

The hematodinium parasite becomes less of a problem for the blue crab when the crab is very young. fishing is thriving in the region. the crab moves to less salty water. a significant percentage of the population is impacted.

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.