BIOA02H3 Lecture Notes - Lecture 7: Overgrazing, Keystone Species, Red Algae
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BIOA02H3 Full Course Notes
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Review question: species x and species y interact negatively with one another when they are found together because they both rely on the same limited resources. A. if species x is the better competitor, species y could be excluded from the area of overlap. B. if both species are in low numbers, both can persist in the area of overlap. C. in areas of overlap, both species could experience character divergence if they undergo prolonged niche partitioning. D. if species x is the better competitor, a predator that prefers species y could lead to predator-mediated coexistence. E. none of the above (a d are all potential outcomes) Describe the way that diversity is most commonly measured. 3. explain the different ways that biodiversity varies across the planet. Use this to help explain why biodiversity is highest in the tropics. 4. differentiate between keystone species, ecosystem engineers, and dominant species. From a given example, apply each term (as appropriate).
