Ecology Questions and Answers Already
Passed
biotic
non-living factors in the environment
biotic
living factors in the environment
organism
any plant or animal
ecology
the study of the interaction between organi
...
Ecology Questions and Answers Already
Passed
biotic
non-living factors in the environment
biotic
living factors in the environment
organism
any plant or animal
ecology
the study of the interaction between organisms and the environment
biosphere
The ecosystems of planet earth
individual
one organism, a single living thing
biome
An area with similar climate and ecosystems
population
a group of interbreeding organisms living in the same area (all of the deer in the forest)
ecosystem
all the organisms living in the same area AND their nonliving environment
community
all the organisms of all types living in the same area
producer
An organism that gets its energy from the sun
consumer
An organisms that gets its energy from eating other organisms
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decomposer
An organism that gets its energy from breaking down dead organisms
carnivore
A type of consumer that eats only other animals
herbivore
A type of consumer that eats only plants
omnivore
A type of consumer that eats both plants and animals
predator-prey
When one organism feeds on another organism
parasitism
A symbiotic relationship in which the health of one organism benefits and the health of the other
is harmed
competition
the struggle between organisms to survive in a habitat with limited resources
carrying capacity
The largest population that an area can support
limiting factor
An environmental factor that prevents a population from increasing
Energy Flow through Food Webs
Only about 10% of usable energy is transferred from one trophic level to the next. Reason:
usable energy lost as heat
food web
network of complex interactions formed by the feeding relationships among the various
organisms in an ecosystem
Matter
Anything that has mass and takes up space
Species
A group of similar organisms that can breed and produce fertile offspring.
resource
any necessity of life, such as water, nutrients, light, food, or space
symbiotic relationship
The relationship between two species that live in close association with each other
Mutualism
A relationship between two species in which both species benefit
Commensalism
A relationship between two organisms in which one organism benefits and the other is
unaffected
Parasitism
A relationship between two organisms of different species where one benefits and the other is
harmed
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