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AP Biology - Unit 8 Ecology Questions and Answers
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AP Biology - Unit 8 Ecology Questionsand Answers
ecology
✓ ~~~study of the distribution and abundance of organisms and their interactions with other
organisms and with their physical environment
population
✓ ~~~group of individuals of the same species living in the same area
community
✓ ~~~group of populations of different species living in the same area
ecosystem
✓ ~~~interrelationships between organisms in a community and their physical environment
biosphere
✓ ~~~composed of all the regions of the earth that contain living things (hydrosphere,
geosphere, and atmosphere)
habitat
✓ ~~~type of place where an organism usually lives; descriptions typically include the
organisms and the physical and chemical characteristics of the environment
niche
✓ ~~~all biotic and abiotic resources in the environment used by an organism
biotic factor
, ✓ ~~~A living part of an ecosystem
abiotic factor
✓ ~~~physical, or nonliving, factor that shapes an ecosystem
climate
✓ ~~~long-term prevailing weather conditions in a given area; major components include
temperature, precipitation, sunlight, and wind
biome
✓ ~~~large region of the earth whose distribution depends on the amount of precipitation
and temperature in an area; characterized by dominant vegetation and animal life
population growth is described by...
✓ ~~~biotic potential, carrying capacity, and limiting factors
population size
✓ ~~~symbolically represented by N
it is the total number of individuals in the population
population density
✓ ~~~total number of individuals per area or volume occupied
population dispersion
✓ ~~~describes how individuals in a population are distributed
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