decomposers break down dead things so we do not have to remove them

organisms are usually living things

community is all living things in an area

biotic factors are things that are once living and are dead now.

abiotic factors are non  and was never living.                                                                               prey eats the predator.                                                                                                                            predator gets eaten by the prey                                                                                                          the earth is 30 percent land and 70 water

there are four months with 30 days

earth is the largest terrestrial planet