ENV150 Chapter 6 Questions 101616

Adam Davis ENV150 16 October 2016 Chapter 6 Communities and...

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Adam Davis ENV150 16 October 2016 Chapter 6 – Communities and Ecosystems 6.1 Question 2. In the northwest old-growth forests, three mammals—northern flying squirrels, chipmunks, and voles—eat truffles. By what mechanisms might these three mammals coexist ? - Niche differentiation: When different species divide up the fundamental niche. 6.2 Question 1. Why is herbivory an especially challenging way to obtain food? - Toxins and nutrients in certain plants can vary. Also, devastation causes grazers to search for food. Finally, seasonal changes create challenges in finding food for herbivores. Question 2. Why are predators important to the well-being of their prey as well as the entire ecological community? - Predators serve as a natural way of managing the population of their prey. In turn, more resources are available to the prey without any sort of competition amongst the same
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