primary succession
Many plants in the community go to seed earlier than before. They do not get as tall and the flowers are smaller. This is due to a hotter than normal summer. They are being signaled to produce seeds earlier. This means they will produce fewer seeds and there will be fewer of them next year.
No Physical changes are state changes such as freezing, melting, evaporation, condensation, boiling. Physical changes do not produce "new" substances. Lighting a match would be an example of a chemical change in which the substances on the match, and eventually the wood or paper of the match are chemically altered to produce water, carbon dioxide, and other "new" compounds.
chemical changes
composting is being one in your community to produce organic fertilizer
changes occure when organisms produce are called fertile offspring.
Hormones.
A community garden is something that lets us access fresh produce.
Yes.
by wind
Natural selection
Yes, it is correct.
Atoms of different elements unite during chemical changes to produce at least one chemical compound.