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bio 182 final exam Questions And Correct Answers, 2024/5. 100% Correct With Complete Solution.
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bio 182 final exam Questions And Correct Answers, 2024/5. 100% Correct With CompleteSolution.
ecology; what is it's purpose?
-study of how organisms interact with their environment
-to understand the distribution and abundance of organisms
population
group of individuals of the same species living in the same area, at the same time
community
consists of species that interact with one another within a particular area
ecosystem
consists of all organisms in a particular region, along with non-living components
abiotic components
air, water, and non-living parts of soil
range
geographical distribution; abiotic & biotic determine range
biomes
major groupings of plant and animal communities defined by a dominant vegetation type
climate
the prevailing, long-term weather conditions found in an area
tropical wet forests (rain forests)
found in equator regions where temperatures are high and annual temperature is very low; produce abundant plant growth, lead to high above-ground biomass
boreal forest (taiga)
forms on subarctic lands, dominated by highly cold-tolerant conifers; productivity is low, above-ground biomass is high because slow-growing tree species may be long-lived and become big
tundra
found throughout the arctic regions; low productivity and low above-ground biomass and its treeless permafrost
soils are in a permanently frozen state; limits both the release and uptake of nutrients
simulation studies
are based on computer models of weather patterns in local regions
observational studies
based on long-term monitoring at fixed site
historical studies
examine the relationship b/w CO2 levels, climate change, & the distribution and abundance of organisms
based on events millions of years ago
experiments
designed to simulate changed climate conditions and to record responses by the organisms present
behavior
an action or response to a stimulus
behavioral biology
study of how organisms respond to particular stimuli from those environments
proximate causation (mechanistic)
explains how actions occur
ultimate causation (evolutionary)
explains why actions occur
fixed action patterns (FAP's)
highly inflexible stereotypical behavior patterns
innate behaviors
behavior that is inherited and shows little variation based on learning or the individuals condition
cost benefit analysis
animals appear to weigh the costs and benefits of responding to a particular situation in various ways
foraging
when animals seek food
piloting
use of familiar landmarks
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