BIOSPHERE Chapter 3 VOCAB ONLY fmc/august2004/pages/dinobreath.html.
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Transcript of BIOSPHERE Chapter 3 VOCAB ONLY fmc/august2004/pages/dinobreath.html.
BIOSPHEREChapter 3
VOCAB ONLY
http://educ.queensu.ca/~fmc/august2004/pages/dinobreath.html
Symbiotic relationship in which one organism benefits by living on or inside another which is harmed
parasitism
Principle that states no 2 organisms can occupy the same niche in the samehabitat at the same time.
Competitive exclusion principle
Symbiotic relationship in which
both organisms benefit from their close
associationmutualism
An “organism’s job” that includes what it eats, what eats it, where in the habitat it lives, how it acts, and when & how it reproduces?
niche
Symbiotic relationship in which oneorganism benefits but the other isneither harmed nor helped
commensalism
The scientific study of interactions between organisms and between organisms and their environment
ecology
The portion of the Earth in which all life exists
biosphere
Organism that captures and eats another
predator
Group of organisms so similar that they can breed and produce fertile offspring
species
An organism that is captured and eaten by another
prey
A group of individuals that belong to the
same species that live together in an area
population
Another name for heterotrophs
consumers
Group of different populations that live together in an area
community
All the living things an ecosystem that an organism might interact with
Biotic factors
All the organisms that live in a place
PLUS their non-living environment
ecosystem
Another name for autotrophs
producers
Organisms that can make their own foodusing energy from sunlight or chemicalbonds in inorganic compounds
autotrophs or producers
All the non-living things such as climate, temperature, weather, soil type, or sunlight in an ecosystem that impact an organism
Abiotic factors
Organism that can’t make its own food and get energy from consuming other organisms
heterotrophs or consumers
Any relationship in which two specieslive closely together
symbiosis
Rate at which organic matter is created by producers
Primary productivity
Chemical substance organisms needto sustain life
nutrient
Process in which green plants useenergy from sunlight to producecarbohydrates
photosynthesis
A living thing
organism
Process in which some bacteria useenergy stored in the chemical bondsof inorganic compounds to makecarbohydrates in the absence of light
chemosynthesis
Series of steps in which organisms transfer energy through an ecosystemby eating and being eaten
Food chain
Interaction in which one organism captures and feeds on another.
predation
Network of complex interactions linking all the food chains in an ecosystem food web
Organism that eats only plants
herbivore
Process in which elements, chemical compounds, and other forms of matterare passed from part of the biosphere to another
Biogeochemical cycle
Organism that eats only meat
carnivore
Process in which liquid water changes into a gas
evaporation
Organism that eats both plants and
meat omnivore
Process in which water from plant leaves evaporates into the atmosphere
transpiration
Organism such as mites, snail,earthworms, or crabs that eat deadplants or animals
detritivore
Process in which bacteria in soil convert nitrogen gas into ammonia
Nitrogen fixation
Organism such as bacteria or fungithat break down organic matter
decomposers
Each step in a food chain or web
trophic level
Process in which bacteria covert nitrates intonitrogen gas and released into atmosphere
denitrification
Nutrient which is scare or cycles slowlythat controls population growth
Limiting nutrient
Any necessity for life such as water, food, light, or space
resource
Relationship in which organismsattempt to use the same resource at the same time and place
competition