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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