Download Succession in Ecosystems Guided Reading

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Succession in Ecosystems Guided Reading
1. What is a community in an ecosystem?
2. What is succession?
3. The two main types of succession are ____________________and _______________.
4. What is primary succession?
5. In primary succession, soil must first form the rock surface. The first species to populate
an area in primary succession are called ____________. They help to break up the rock
and form soil. Examples of these species are _____________________________ and
mosses.
6. The series of changes that occur after a disturbance in an existing ecosystem is called
______________________________________________________.
7. The statements below describe areas where succession will occur. Identify each
statement as either an example of primary or secondary succession.
___________________a. A new island formed by the eruption of an undersea volcano.
___________________b. A clearing in a forest left by cutting down the trees.
___________________c. An area without any trees or other plants following a forest
fire.
___________________d. An area of bare rock uncovered by melting ice as a glacier
recedes.