Choose five (5) of the following questions to answer. Please answer each question in one or two complete sentences. Each question/answer is worth 1 point. You may answer one (1) additional question for extra credit.

(A) Explain the concept of resource partitioning.

(B) Some species are generalists while others are specialists. What do these terms mean?

(C) What is the difference between intraspecific and interspecific competition? Include examples in your explanation.

(D) What is coevolution and why does it happen?

(E) Sometimes predator and prey populations oscillate/cycle in synchrony with each other. Explain why this happens.

(F) Explain the concept of ecological resilience.

(G) Explain the concept of climax community.

Individual species will continually evolve as a result of _______, with certain genetic combinations becoming more predominant.

Multiple Choice

· coevolution

· convergent evolution

· punctuated equilibrium

· natural selection

· gradualism

Sled dogs have a thick coat of hair that helps them withstand the cold temperatures of the Arctic. Compare that adaption to a single, unrelated dog that grows a thicker coat in the fall in response to colder temperatures. The adaptation of the sled dog best describes adaptation at the ____________ level while the dog exposed to seasonal colder temperatures has _____________.

Multiple Choice

· regional; natural selection at the individual level

· individual; physiological modifications at the population level

· population; physiological modifications at the individual level

· species; natural selection at the population level

· ecosystem; physiological modifications at the individual level

_________ is the development of a new species.

Multiple Choice

· Adaption

· Speciation

· Ecotone

· Evolution

· Mutation

Evolution occurs as a result of

Multiple Choice

· the discovery of a desirable characteristic in a population.

· an individual’s physiological modification.

· environmental change that forces modification in a resident species.

· better survival or reproduction rates by individuals with a particular characteristic.

· a population’s physiological modification.

Natural selection will ultimately make a species

Multiple Choice

· more intelligent.

· physically bigger.

· better adapted to its environment.

· more aggressive.

· less vulnerable to its predators.

___________ is the place or set of environmental conditions in which a particular organism lives.

Multiple Choice

· Adaptation

· Habitat

· Tolerance range

· Resource partition

· Niche

What would you label the range of temperature from 95°F to 96°F for this particular species?

Multiple Choice

· zone of intolerance

· tolerance limit range

· zone of physiological stress

· optimal range

· range of tolerance

All of the environmental factors which contribute to where a species lives and its role within the community is its

Multiple Choice

· distribution

· niche

· specialty

· resilience

· tolerance

New species can arise when