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Ecology TestSO
| Question | Answer |
|---|---|
| predator | consumers that capture and eat other consumers |
| niche | an organisms role in the enviornment |
| ecology | the study of interactions that occur among organisms and their enviornments |
| chemosynthesis | the production of energy rich molecules from chemicals |
| food web | a model that shows all possible feeding relationships among the organisms in a community |
| energy pyramid | shows the amount of energy available at each feeding level in an ecosystem |
| prey | an organism that is captured by the predator |
| consumers | organisms that can't make their own energy rich molecules |
| commensalism | a symbiotic relationship in which one organsm benefits and the other is unharmed |
| ecosystem | consists of all the organisms living in an area |
| food chain | a simple model of the feeding relationships in an ecosystem |
| population | made up of all organisms of the same species that live in an area at the same time |
| biosphere | part of earth that supports life |
| community | all populations of all species living in an ecosystem |
| parasitism | a symbiotic relationship in which one organism benefits and the other is harmed |
| habitat | place where an organism lives |
| mutualism | a symbiotic relationship in which both organisms benefit |
| symbiosis | any close relationship between species |
| competition | occurs when 2 or more organisms seek the same resources at the same time |
| limiting factor | anything that restricts the # of individuals in a population |
| producers | organisms that use outside energy source like the sun to make energy rick molecules |
| carrying capacity | the largest # of individuals of 1 species that an ecosystem can support over time |
| dicot | seeds with 2 cotyledon |
| monocot | seeds with 1 cotyledon |
| organism | a living thing |
| cotyledons | stored food |