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Module 8 Vocab
Apologia Marine Biology
| Term | Definition |
|---|---|
| ecology | the study of the relationship between an organism and its environment |
| abiotic | the nonliving part of an environment |
| biotic | the living part of an environment |
| carrying capacity | the largest population size that can be supported by a specific area with its available resources |
| limiting resource | a factor required for a population to grow, but present in small quantities in an ecosystem |
| detritus | dead organic matter and the decomposing organisms living among it |
| productivity | the rate of photosynthesis carried on in an ecosystem |
| carbon fixation | the converting of inorganic carbon into useful organic carbon substances |
| nitrogen fixation | the converting of gaseous nitrogen into useful organic nitrogen substances |
| benthic | describing organisms that live on the ocean bottom |
| pelagic | describing organisms that live in the water column away from the ocean bottom |
| habitat | a specific place where an organism lives |
| population | a group of individuals of the same species that live together |
| community | all the populations of organisms living in the same area |
| ecosystem | composed of one or more communities, including the physical environment of a specific area |
| self-regulating population | a population prevents itself from excessive growth by using up available resources |
| intraspecific competition | competition among individuals of the same species |
| interspecific competition | competition among individuals of different species |
| predator | organism that eats another organism |
| prey | organism that is eaten by the predator |
| niche | all aspects of an organism's lifestyle - including eating habits, requirements for living space, reproductive strategy, behaviors |
| host | the first individual, usually the larger one, in a symbiotic relationship |
| symbiont | the second individual, usually the smaller one, in a symbiotic relationship |
| commensalism | one type of symbiosis where one species benefits from the relationship while the other is not affected |
| parasitism | one type of symbiosis where one species benefits from the relationship and the other is harmed |
| mutualism | one type of symbiosis where both organisms benefit from the relationship |
| zooxanthellae | tiny dinoflagellates that live in the tissue of coral |
| autotroph | organisms that get energy from their environment and use it to make their own food |
| heterotroph | organisms that get their energy from feeding on autotrophs or other heterotrophs |
| trophic relationship | food relationships |
| primary producers | organisms that make their own food |
| consumers | organisms that eat the primary producers |
| trophic level | each step in a food chain |
| food web | made up of many different food chains |
Created by:
larmstrong3
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