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Last New Topics from the Green Packet
Read this PowerPoint and take notes on it. Research any topics that you do not understand. Good luck tomorrow!
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Competitive Exclusion Principle
No two similar species can occupy the same niche at the same time
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Interspecific Interactions
Symbiotic Interactions Competition (-/-) Predation (-/+) Parasitism (-/+) Mutualism (+/+) Commensalism (+/0) Amensalism (0/-) Can you describe each of these interactions? Can you give an example?
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Identify each of the following symbiotic interactions
Identify each of the following symbiotic interactions. Write down your evidence for your answers.
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sorry, bug…
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Interspecific- competition between members of two different species
Intraspecific- competition between members of the same species
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What is this an example of?
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What is this an example of?
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Isolations behavioral isolation geographic isolation
When the members of two populations cannot interbreed and produce fertile offspring, reproductive isolation has occurred. Reproductive isolation can develop in a variety of ways, including: behavioral isolation geographic isolation temporal isolation
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Behavioral Isolation Behavioral isolation occurs when two populations are capable of interbreeding but have differences in courtship rituals or other reproductive strategies that involve behavior.
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Geographic Isolation Geographic isolation occurs when two populations are separated by geographic barriers such as rivers or mountains.
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Temporal Isolation Temporal isolation occurs when two or more species reproduce at different times.
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Limiting factors Density-dependent limiting factors include:
competition predation parasitism disease Examples of density- independent limiting factors include: unusual weather natural disasters seasonal cycles certain human activities— such as damming rivers and clear-cutting forests
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Exponential Growth- is this realistic? Why or why not?
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Logistic Growth- is this realistic? Why or why not?
What is carrying capacity?
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Make sure you can analyze these diagrams.
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Good luck tomorrow!
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