PCA Exam
What are important considerations when describing a population?
age, distribution, birth rate
A community of organisms includes
all the organisms that share a habitat
which of the following would be considered a density-independent factor regulation population growth
extreme ...
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PCA Exam
What are important considerations when describing a population?
age, distribution, birth rate
A community of organisms includes
all the organisms that share a habitat
which of the following would be considered a density-independent factor regulation population
growth
extreme weather
which of the following terms refers to dispersal of individuals into a population
immigration
an ecosystem is
a community of interacting organisms and their physical environment
the primary process by which energy becomes available to organisms in an ecosystem is
photosynthesis
the nonliving components of an ecosystem
abiotic compounds
which of the following ecological concepts is illustrated in a food web
mutualism
what is a limiting factor
a factor that is required for the growth and survival of an organism
the mean population level around which a species characteristic abundance fluctuates is the species
equilibrium position
many agricultural pest species such as foliar pathogens, aphids, mites and small seeded weeds are
considered
r strategists
how does the amount of biodiversity in an agroecosystem compare to that of a natural, more mature
ecosystem
lower in an agroecosystem than a natural system
the goal of pest eradication is generally
to eliminate newly invading pests
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