1. discuss and give examples of the following community interactions: predation, commensalism, symbiosis, parasitism, mutualism 2. compare/contrast the characteristics of biomes. 3. compare/contrast primary and secondary succession and be able to give examples of each

1. a) predation is when one organism is harmed and the other is benefited. An example of this is when a predator eats/hunts its prey - like a lion eating a lamb

b) commensalism  is when one organism benefits from the other and the second organism is not affected. An example of this are the barnicles on a whale

c) symbiosis is the long-term interaction between two different biological organisms

d) parasitism is when one organism is harmed while the other is benefited

True statement gravity force is more on bigger mass, less on smaller mass.all mass fall on planet with same acceleration and speeds