SECTION
ORGANISMS CAN INTERACT IN DIFFERENT WAYS.
2.2 Reading Study Guide B
BIG IDEA Living
things within an ecosystem interact with one another and with the
environment.
KEY CONCEPTS Organisms can interact in different ways.
Review
Take Notes
I.
Organisms interact in different ways. (p. 54)
1.
What are some basic needs that organisms can meet through competition or
cooperation?
A. Predators and Prey (p. 55)
2.
Draw a predator and a type of prey
it eats. Describe some of the ways they
interact.
B. Competition and Cooperation (pp. 55 and 57)
3.
Fill in the four square diagrams for competition and for cooperation.
Definition
Examples
COMPETITION
Characteristics
Definition
Nonexamples
Examples
Characteristics
COOPERATION
Nonexamples
Copyright © by McDougal Littell, a division of Houghton Mifflin Company
CHAPTER 2
Interactions within Ecosystems
Different organisms share a living space.
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4.
Name and explain three types of symbiosis.
5.
Could two partners in a symbiotic relationship be harmful to each other? Why
or why not?
CHAPTER 2
Interactions within Ecosystems
II. The survival of one species might depend on another species. (p. 58)
A. Both Species Benefit (p. 58)
6.
For each picture, label the type of symbiosis and briefly describe the
relationship.
Copyright © by McDougal Littell, a division of Houghton Mifflin Company
Tick
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