(C) the hours of sunlight reaching a particular region
(D) changes in temperature and amount of rainfall
(E) the amount of relative cloud cover and ocean currents
- Species that serve as early warnings of environmental damage are called
(A) keystone species
(B) native species
(C) specialist species
(D) indicator species
(E) generalist species
- Which of the following statements is false?
(A) When environmental conditions are changing rapidly, a generalist is
usually better off than a specialist.
(B) The fundamental niche of a species is the full range of physical,
chemical, and biological factors it could use if there were no
competition.
(C) The competitive exclusion principle states that no two species with the
same fundamental niche can indefinitely occupy the same habitat.
(D) Interspecific competition is competition between two members of the
same species.
(E) Resource partitioning limits competition by two species using the same
scarce resource at different times, in different ways, or in different
places.
- Which of the following best describes a nonanthropogenic secondary
succession?
(A) Plants and other vegetation die gradually due to drought.
(B) Wildflowers grow in an area that was previously destroyed by fire.
(C) A farmer removes weeds using a herbicide.
(D) Lichens and mosses secrete acids that allow other plants to grow.
(E) None of the above
- The location of where an organism lives would be best described as its (A)
niche
(B) habitat
(C) range
(D) biome
