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20 Cards in this Set

  • Front
  • Back
What is ecology?
The study of the interactions between organisms and the living and nonliving components of their enviornment.
Green house effect?
When carbon dioxide and water vapor intercept the reflected heat and direct it back toward earth. it insulates earth from the deep freeze of space.
The levels of organization are:
Biospehere, ecosystrem communtiy population organism (BECPO)
Biosphere is:
the thin volume of earth and its atmoshphere that supports life. all organisms are found within this.
an ecosystem is:
biosphere is composed of smaller units called ecosystems. which inclues all of the organims and the nonliving enviornment found in a particular place. consider a pond an ecosystem.
Communtiy:
is all the interacting organims living in an area. for instatnce, all the fish, turtles, plants, algae, and bacteria in a pond.
Population:
all the members of a species that live in one place at one time.
Biotic Factors
living components of the environment.
Abiotic Factors
the nonliving components of the environment.
Tolerance curve:
a graph o fperformance versus values of an eviornmental variable, such as temperature.
Acclimation:
siome organisms can adjust their tolerance to abiotic factors through this process.
Confomers
organims that do not regulate their internal conditions, they cahnge as their external enviornment changes.
Regulators
are organims taht use energy to conrol some of their internal conditions.
dormance
a sate of reduced activity
migration
to move to another, more favorable habitat.
reources
the entergy and materials teh species needs.
niche
a species way of life
fundamental niche
the range of conditions that a species can potentially tolerate the range of resrounces it can petentially use.
realized niche
the range of resources it actually uses.
generalist
species with boad niches.