Chapter 2 Review Question Preview (ID: 7128)
Review Of Chapter 2: Cycles Of Matter And Ecological Succession.
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What is gradual change in an environment over time?
a) ecological changes
b) unnatural
c) natural
d) succession
The development of a community on bare, exposed rock is...
a) primary succession
b) ecological advancement
c) tertiary succession
d) secondary succession
The recovery of the area around Mt. St.Helens is an example of
a) primary succession
b) environmental changes
c) miracle
d) secondary succession
Pioneer species on bare rock are commonly
a) mosses
b) lichens
c) ferns
d) pine trees
a stable community within an ecosystem
a) pioneer community
b) climax community
c)
d)
the process of burning fuel, such as oil and coal, is
a) decomposition
b) combustion
c) respiration
d) photosynthesis
During nitrogen fixation, nitrogen gas is converted to a form that _____ can use
a) animals
b) plants
c) fungi
d) scavengers
The breakdown of dead materials into carbon dioxide and water is called
a) photosynthesis
b) respiration
c) decomposition
d) evaporation
water changes to a liquid to a vapor during
a) precipitation
b) decomposition
c) condensation
d) evaporation
all biological molecules contain
a) oxygen
b) carbon
c) carbon dioxide
d) carbon monoxide
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