1. Intraspecific competition limits a population size a
a) clumped distribution decreases competition, which removes "weak" and old individuals from the population
b) competition for resources intensifies as two different species compete for resources
c) certain alleles give some individuals a competitive advantage; "less fit" individuals are not as successful
d) K-selected species are more competitive than r-selected species, which changes natality and mortality rates
2. Interspecific competition occurs between
a) "wind borne" dandelion seeds as they compete with each other for resources in an abandoned lot
b) individuals of various species in the same community
c) animals and plants for abiotic resources in a specific habitat
d) individuals of the same species in the same community
3. An organism's niche and habitat are, respectively, its
a) ability to survive the abiotic and biotic features
b) job (role) and address in a community
c) geographic range and "a suitable" place
d) address and job (role) in a community
4. Zebra mussels have entered the Great Lakes aquatic environment greatly increasing interspecific competition with "native species". Non-native species in a community frequently
a) die out because competition for resources is too great for their survival
b) interbreed with native species creating a new hybrid that destroys both parent populations
c) out-compete native species, reduce community diversity, and create new ecological problems
d) mutate to resist current commercial pesticides or herbicides that are used to control their population
5. A dairy cow consumes a primary producer, alfalfa plants, this makes dairy cows a/an
a) predator
b) prey
c) parasite
d) interspecific competitor
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