Transcript Ecology – “So things to gnaw on…”

Ecology – “So things to gnaw on…”
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Terms: population, community, ecosystem, biodiversity (how are these related or
connected).
Why is a “food web” a better representation of communities than a “food chain?”
Explain major factors which can cause populations to increase or decrease over time
Explain the relationship between ecosystems, energy and our existence
Why are invasive species often so successful in new habitats?
Explain why “habitat specialists” are often more susceptible to extinction
Define/explain: habitat, range, tolerance, niche.
What factors affect the nature of ecosystems and biomes on earth?
Read “Thinking Like a Mountain” again
Chapter 3 Readings: 3.1, “Food Chains and Food Webs” (54-56), 3.4 (focus on what
we discussed in class/covered in notes up through Monday Feb 4)