APES Project 3 Quiz Review
The ultimate source of energy for terrestrial ecosystems is?
the sun
In the transition from each trophic level to the next, the upper level receives what percentage of the energy available from the lower level?
10%
What represents the biotic potential fo the species without limiting factors?
A. "exponential"
What represents the maximum number of individuals that can be supported by a particular ecosystem on a long-term basis?
E. carrying capacity
What scenario is possible?
decreasing the deer population will result in collapse of the wolf population
The consumption of mosquitoes by bats and the control of flooding provided by tropical forests in mountainous areas of Central America are examples of?
ecosystem services
What best describes energy transfer in a food web?
energy from the sun is stored in green plants and transferred to consumers through herbivory
What factor can be used to assess the biological diversity of an area?
genetic variation within each species and number of species present
Which characteristics tend to increase the risk of an endangered species?
having a very limited distribution and being a specialist at the end of a long food chain
What is not an advantage to protecting biodiversity?
it helps to reduce our dependence on the environment
What is true about succession?
it is the change in an ecosystem structure that occurs naturally over time
Road construction, logging, and mining are banned in what federal lands?
national wilderness preservation areas
In ecosystems, organisms at the highest trophic levels usually contain less collective biomass than the organisms at lower trophic levels because?
organisms are inefficient at converting the energy they consume into biomass
In general, what long-term method is best for preventing extinctions?
protecting the habitats of endangered species
What combination of processes can change global species diversity?
speciation and extinction
Why do introduced species often become pests?
they displace native species
The Isle Royale food chain is controlled by wolf predation. This is an example of?
top down population dynamic
What biome has the highest net primary productivity?
tropical rain forest
A type 3 survivorship curve, which decreases at first and shows a leveling off in older specimans is?
typical of amphibians and most fish
What represents the growth of a population predicted by the logistic model?
C. "slope"
