What Shapes an Ecosystem?. Section 4-2. Objectives. Explain the nature of interactions between organisms in different symbiotic relationships. Explain how cooperative and competitive relationships help maintain balance within an ecosystem.
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What Shapes an Ecosystem?
We need to get our brains back in to Biology mode!
A few species of pseudoscorpions move quickly by concealing themselves under the wing covers of large beetles. The pseudoscorpions gain the advantage of moving over wide areas while simultaneously being protected from predators. The beetle is, presumably, unaffected by the presence of the hitchhikers.
Two Types of Limiting Factors:
Density Independent Examples:
Density Dependent Examples: