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Understanding Populations
Chapter 8
11
Environmental Studies
12th Grade
01/13/2014

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Cards

Term
Density
Definition
Is the number of individuals per unit area of volume.
Term
Population
Definition
All members of a species living in the same place at the same time.
Term
Dispersion
Definition
It is the relative distribution or arrangement of its individuals within a given amount of space.
Term
Growth Rate
Definition
The birth rate minus the death rate.
Term
Reproductive Potential
Definition
Maximum number of offspring that each member of the population can produce.
Term
Exponential Growth
Definition
They grow faster and faster.
Term
Carrying Capacity
Definition
An ecosystem for a particular species is the maximum population that the ecosystem support indefinitely.
Term
Niche
Definition
It includes a species physical home, the environmental factors necessary for the species survival, all the species interactions with organisms.
Term
Parasitism
Definition
The relationship between the parasite and the host.
Term
Mutualism
Definition
A close relationship between two species in which each species provides a benefit to the other.
Term
Commensalism
Definition
A relationship in which one species benefits and the other species is neither harmed nor helped.
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