| A | B |
| BIODIVERSITY | all the different species in an ecosystem |
| DETRIVORE | organisms that live off organic waste and dead bodies |
| CARBON CYCLE | respiration, combustion and erosion contribue to this |
| ECOLOGY | the study of the interactions of organisms in an environment |
| ABIOTIC FACTOR | nonliving factors in an environment |
| FOOD WEB | how energy moves through an ecosystem from species to species |
| ECOSYSTEM | a community and all of its physical aspects |
| PIONEER SPECIES | the fast growing plants that first live in a habitat |
| SUCCESSION | progression of new species moving into an area over time |
| HABITAT | the place where a particular population of species lives |
| TROPHIC LEVEL | an intertwining path of animal feeding levels |
| BIOTIC FACTORS | the living organisms in an environment |
| COMMUNITY | all of the dogs, cats, pigs and other species that live here in Vicksburg make this up |
| OMNIVORES | animals that eat both plants and animals |
| TRANSPIRATION | how water moves through the atmosphere by evaporation |
| PRIMARY PRODUCTIVITY | rate at which organic material is produced by photosynthetic organisms |
| PRODUCERS | organisms that first capture energy |
| CONSUMERS | organisms that consume plants/animals to obtain energy |
| FOOD CHAIN | the path of energy through the trophic levels |
| HERBIVORES | animals that eat plants |
| CARNIVORES | animals that eat herbivores |
| DECOMPOSERS | bacteria and fungi that cause decay |
| BIOMASS | dry weight of tissue |
| BIOGEOCHEMICAL CYCLE | cycle in which a substance enters into a living reservoir, stays for a time, and is returned to a nonliving reservoir |
| CARBON CYCLE | how carbon moves through respiration, combustion, and erosion |
| NITROGEN FIXATION | process of combining nitrogen with hydrogen to form ammonia |