Was any primary or secondary succession seen in the movie finding nemo?

What is the difference between how ionic and covalent bonds form

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.

How does secondary succession differ from primary succession?