| A | B |
|---|
| photosynthesis | process where plants convert sunlight into starch |
| carbon cycle | process where carbon is passed thru plants and animals to balance the ecosystem |
| population | group of organisms of the same species that interbreed and live in the same place |
| nitrogen cycle | process where nitrogen is passed thru plants and animals to balance the ecosystem |
| community | collection of interacting populations |
| ecosystem | Interactions beween biotic populations and abiotic factors in a community |
| abiotic factors | temperature, light, air, water |
| biotic factors | plants, animals |
| food-producers | organisms that produce food |
| carnivore | animal that eats an animal |
| bio-sphere | a collection of living and non-living parts of a planet |
| organism | a living thing |
| herbivore | animal that eats plants |
| omnivore | animal that eats plants and animals |
| food chain | a link of organisms which pass energy on to the next animal |
| food web | an interlinked web of food chains |
| population pyramid | a graph showing the populations of organisms who interact with each other |
| pollution | the disruption of the natural balance of nature |
| respiration | process where air is taken in and energy and carbon dioxide is produced |
| O2 | oxygen |
| Co2 | carbon dioxide |
| species | a specific type of organism, under the same name, but with differences |
| habitat | a place where a population of organisms live |
| parasitism | a parasite drawing energy from a victim, thus harming the victim |
| symbiosis | the interaction between two organisms such that one or more benefits |
