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Ecolgy Stuff
Stuff
| Question | Answer |
|---|---|
| biosphere | the part of the earth that supports life |
| carrying capacity | the largest number of individuals of one species than an ecosystem can support over time |
| commensalism | a symbiotic relationship in which one organism benefits and the other is unharmed |
| consumer | organisms that cannot make their own energy-rich molecules |
| ecology | the study of interactions that occur among organisms and their environment |
| ecosystem | all the organisms living in an area and the nonliving features of their envitonment |
| habitat | the place in which and organism lives |
| limiting factor | anything that restricts the number of individuals in a population |
| mutualism | a symbiotic realtionship in which both species benefit |
| niche | how an organism survives, including its habitat, how it obtains food and shelter, and how it avoids danger |
| community | all the populations in a ecosystem |
| parasitism | a symbiotic relationship in which one organism benefits while the other is harmed |
| population | the organisms that belong to the same species living in a community |
| producer | organism, such as a green plant, that gets its energy from an outside source such as the sun |
| symbiosis | any close relationship between two organisms |
| predator | the organism that feeds on another organism for food |
| prey | an organism that is harmed in order to feed another organism. |
| competition | a quarrel between two organisms usually because of food |
| chemosynthesis | process in which producers make energy rich nutrient molecules from chemicals |
| food web | model that shows the complex feeding relationships among organisms in a community |
| energy pyramid | model that shows the amount of energy available at each feeding level in an ecosystem |
| food chain | the order in which an organism eats another |