Term | Definition |
Ecology | The study of how living things interact with one another and with their environment |
Biotic | The living parts of an ecosystem |
Abiotic | A non living parts of an ecosystem |
5 levels of environmental organization | Food, water, shelters and other things it need to survive, grow, and reproduce from its surrounding |
Organism | Individual animal, plants or single celled form |
Population | All the members of a species in particular area |
Community | All the different population that live together in an area |
Ecosystem | All the living and non living things that interact in particular area |
Biosphere | Regions of the surface, atmosphere and hydrosphere of the earth occupied by living organism |
Producer/autotroph | Organism that is able to form nutritional organic substance from simple substance such as carbon dioxide |
Consumer/heterotroph | Organism deriving its nutritional requirements from complex organic substance |
Herbivore | Animals that eat plants |
Carnivore | Animal that eats flesh |
Omnivore | Animal or human that eats both plants and animals |
Scavenger | Animal that eats carrion, dead plants, material or refuse |
Decomposer | Organism that decompose organic materials |
Food web | System of interlocking and interdependent food chain |
Food chain | Hierarchical series of organism each dependent on the next as a food chain |
Energy pyramid | Depiction of the amount of energy in each tropic level of an ecosystem |
Limiting factor | Resource or environmental condition that limits the growth abundance, or distributions of an organism or population of organism in an ecosystem |
Carrying capacity | Number of people, other living organism or crops that a region can support without environmental issue |
Predator | Animal that naturally prey on others |
Prey | Animal that is hunted and killed by another's for food |
Predator adaptions | Adaptation that help predators hunt |
Prey adaptions | Adaptation that help prey hide |
Symbiosis | Interaction between two different organism living in close physical association, typically to the advantage of both |
Mutualism | Symbiosis that is beneficial to both organism involve |
Commensalism | Association between two organisms in which one benefit and the other derives neither benefit nor harm |
Parisitism | Organism living off another organism in which the first organism is parasite to the host and cause the harm to the host to its advantage. |