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1. Are most invasive( exotic) species K-selected or r-selected species? Explain your choice and why that makes sense in terms of their ecological success
2. Briefly define a community and an ecosystem and describe how the two are interrelated
3. Which of the following levels of organization are in order, from simplest to most complex.
a. population, organism, community, ecosystem
b. community, ecosystem, population, organism
c. organism, community, population, ecosystem
d. population, ecosystem, organism, community
e. organism, population, community, ecosystem
4. Mosses growing on bare rock will eventually help to create soil. These mosses are involved in ___ succession
a. primary