AP Biology - Unit 8 Ecology Exam Q&A | Verified | Updated 2025
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Course
AP Biology
Institution
AP Biology
AP Biology - Unit 8 Ecology Exam Q&A |
Verified | Updated 2025
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...
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
clumped dispersion - ✔✔most common pattern, like humans in cities or
schools of fish
uniform dispersion - ✔✔like trees in an orchard, or plants with toxins
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