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Unit 2: Ecology
Vocabulary terms associated with ecology topics.
Terms in this set (29)
A group of individuals that belong to the same species and live in the same area
All the different populations that live together in an area
A position in a food chain or Ecological Pyramid occupied by a group of organisms with similar feeding style
An organism that makes its own food, usually through photosynthesis.
An organism that cannot make its own food, and thus must eat other organisms.
An organism that can make its own food, often the bottom of a food chain.
An organism that eats other organisms
A consumer that eats only plants.
a comsumer that gets its energy and nutrients from dead material such as corpses, fallen plant material, and the wastes of living organisms
show the relative amount of energy, population numbers or biomass available at each trophic level of a food chain or food web
nutrients used is large quantities and trace quantities by organisms
The movement of macro/micronutrients between the living and nonliving components within ecosystems; (i.e., water cycle, carbon cycle, oxygen cycle, and nitrogen cycle).
The continuous process by which water moves from Earth's surface to the atmosphere and back
the evaporation of water from soil plus the transpiration of water from plants
Atmospheric water vapor cool and collects into liquid form
Any form of water that falls from clouds and reaches Earth's surface.
water on the ground surface enters the soil, synonymous with seepage
Underground rock and soil layer that stores large amounts of water
The organic circulation of carbon from the atmosphere into organisms and back again
the removal and storage of carbon from the atmosphere in carbon sinks (such as oceans, forests, coral or soils)
The movement of carbon in and out of the atmosphere.
A process that releases energy in the form of ATP from glucose and oxygen
A process in which the sun's energy is used to convert water and carbon dioxide into glucose and oxygen
The transfer of nitrogen from the atmosphere to the soil, to living organisms, and back to the atmosphere
Process of converting nitrogen gas into ammonia, usually carried out by bacteria and legumes
absorption of N by organisms, usually by consumption
Decomposers (bacteria) convert waste into ammonia
the process in which soil bacteria convert fixed nitrogen to a form that can be consumed by organisms, like plants
Process by which bacteria convert nitrates into nitrogen gas
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