| A | B |
|---|
| Abiotic Factor | A non- living factor |
| Anabolism | Chemical reaction where smaller molecules are joined together to form larger molecules |
| Biology | The Study of living things (organisms) |
| Biosphere | The part of the planet where life occurs |
| Biotic Factor | A living factor |
| Carnivore | An animal that feeds on animals only |
| Catabolism | Chemical reaction where larger molecules are broken down to smaller molecules |
| Cell | Basic structural unit of an organism (that possesses its characteristics) |
| Climatic Factor | Factors relating to long term weather conditions [which affects the distribution of organisms in an ecosystem] |
| Competition* | When 2 or more organisms fight for a resource that is in short supply |
| Conservation | The wise management of the environment or organisms |
| Contest Competition* | An active physical confrontation between 2 organisms in which only one wins the resource |
| Continuity of life | The ability of organisms to exist from one generation to the next |
| Control | Standard for comparison |
| Data | Measurements or observations or information gathered from an experiment |
| Decomposition | The decaying of a dead organism |
| Denitrification | The conversion of nitrates into atmospheric nitrogen |
| Double blind | Neither the tester nor the person being tested knows which is the real pill and which is the placebo |
| Ecology | Study of the interaction between organisms themselves and their environment |
| Ecosystem | A community of living organisms interacting with one another and their environment |
| Edaphic Factor | Factors relating to the soil [which affects the distribution of organisms in a (terrestrial) ecosystem] |
| Egestion | Removal of unabsorbed material from the body |
| Excretion | Removal of the waste products of metabolism |
| Food Web | Two or more interconnected food chains |
| Grazing Food Chain | Feeding relationship between organisms in which energy is transferred |
| Habitat | The place where an organism lives |
| Herbivore | An animal that feeds on plants only |
| Hypothesis | Educated guess based on observation |
| Life [characteristics of] | Common features that separate living things from non-living things (organisation |
| Metabolism | All the chemical reactions taking place in living organisms |
| Niche | The functional role of an organism (in an ecosystem) |
| Nitrification | The process of converting ammonia into nitrites and/or nitrites to nitrates |
| Nitrogen fixing | The conversion of nitrogen into nitrates |
| Nutrition | Ability of living organisms to obtain food (energy) |
| Omnivore | An animal that eats both animals and plants. |
| Parasitism | An organism that lives in or on another causing it harm. |
| Placebo | Control used in drug testing |
| Pollution | The harmful addition to the environment (by humans) |
| Population | The numbers of a particular species [in a particular ecosystem] |
| Predation* | The act of killing and eating another animal (or organism) for food. |
| Predator | An animal (or organism) which kills and eats an animal (or organism or prey) |
| Prey * | The animal hunted and killed [by its predator] |
| Primary Consumer | An organism that feeds on the producer |
| Principle or Law | A proven theory |
| Producer | An organism which makes its own food |
| Pyramid of Numbers | The numbers of organisms at each trophic level. |
| Qualitative survey | A survey which indicates if a species is present or not |
| Quantitative survey | A survey which records or estimates the numbers of a species (in a particular ecosystem) |
| Replicate(s) | Make a duplicate(s) of an experiment or procedure |
| Reproduction | Ability of an organism to create new individuals of its own kind (by either sexual or asexual means) |
| Response | Ability of an organism to react to stimuli |
| Scramble competition* | A confrontation which results in each organism getting some of the resource |
| Secondary Consumer | An organism that feeds on the primary consumer. |
| Symbiosis * | A relationship between 2 species living in close proximity involving benefit to one or both |
| Tertiary Consumer | An organism which feeds on the secondary consumer |
| Theory | A proven hypothesis |
| Trophic Level | The position of an organism in a food chain |
