APES Ch. 9
Terms
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- reproductive age span
- Biotic potential is determined by the _____.
- pathogens
- Monocultures can easily be wiped out because of ther susceptability to _____.
- population dynamics
- Changes in population size, density, dispersion, and age structure.
- generalists
- What type of species is least vulnerable to habitat fragmentation.
- density independent
- _____ population controls include: drought, fire, unfavorable chemical changes, and habitat destruction.
- top-down
- Wolves controlling deep populations are an example of _____ control.
- The primary goal of ecology is to determine the necessary balance to ensure minimal disruption of all species.
- The primary goal of ecology is to determine the necessary balance to ensure minimal disruption of all species.
- less
- A K-strategist is usually _____ adaptable to change than an r-strategist.
- biotic potential
- Optimal level of critical nutrients leads to an increase in _____.
- growth rate
- The biotic potential and population size modified by the environmental resistance determine the _____.
- early loss
- What survivorship curve would you expect to find for fish?
- conservation
- A _____ biologist is least like to ask: How does sulfur cycle in the ecosystem?
- natural
- _____ ecosystems are usually capable of self-maintanence and self-renewal.
- precautionary principle
- Antoinette Brown Blackwell's statement that "nature is just enough; but men and women must comprehend and accept her suggestions" is in support of the _____.
- 25
- Sea otters can eat _____ % of their weight per day.
- living systems
- Interdependence, diversity and limits are key features of _____.
- insects
- _____ are r-strategists.
- cyclic
- What pattern would you expect to find for coyotes and rabits in undisturbed habitat.
- conservation
- The ethical principle most important to _____ ecology: Do that which tends to maintain Eath's life-support for us and other species.
- stable
- _____ would best descriebe the type of population change you would expect for a monkey in an undisturbed section of the Brazilian rainforest.
- biotic potential
- The maximum reproductive rate
- population crash
- A _____ occurs when a population overshoots carrying capacity and environmental pressures cause effects.
- malaria
- The World Health Organization initiated spraying in Borneo to reduce the incidence of _____.
- S
- A logistic growth curve depicting a population limited by a definite carrying capacity is shaped like the letter _____.
- late loss
- What survivorship curve would you expect to find in gorillas?
- r-strategist
- Generally is small and short lived.
- density dependent
- ____ population controls include: disease, parasitism, competition for resources, and predation.
- specialized niche
- Environmental resistance is enhanced by a _____.
- clumped
- Most common pattern of pattern dispersion found in nature.
- carrying capacity
- _____ is determined by climate changes, predation, interspecific competition, and resources.
- J
- What letter is an exponential growth curve depcting an ever growing population shaped like?
- stable, cyclic, irruptive and irregular
- Four general types of population curves.
- irruptive
- _____ would best describe the type of population change expected for a muskrat population in a state that has just outlawed trapping of muskrats.
- sylvatic plague
- The World Helath Organization controlled _____ in Borneo by parachuting healthy cats into the area.
- K-strategist
- Generally has populations that follow an S-Shaped curve.
- time delay
- Population grows, overshoots and crashes most likely from a _____ between a positive feedback loop and a negative feedback loop.
- keystone
- What kind of species is a sea-otter?
- carrying capacity
- the max size of a population the environment will support.
- natural ecosystems
- Humans have interfered in the development of _____ by adding chemicals that alter natural cycles, over harvesting, potentially renewable resources, eliminating predators and introducing new species.