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This comprehensive review for Environmental Biology covers essential concepts from Chapters 1 to 4, focusing on renewable and nonrenewable resources, the impacts of different historical revolutions on ecosystems, and decision-making models for environmental management. Key topics include the definitions of ecosystems, population dynamics, and the distinction between density-dependent and density-independent factors. Exam preparation is facilitated through clear examples and critical thinking questions, aiding students in understanding ecological principles and their applications.
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Midterm Exam Review Environmental Biology
1. Renewable or nonrenewable • Mining copper: nonrenewable • Burning coal: nonrenewable • Filling a car with gasoline: nonrenewable • Building wooden furniture: renewable
2. Hunter-gatherers, Agricultural Revolution, or Industrial Revolution
3. Decision-making Model • Gather information • Consider values • Explore consequences • Make a decision
1. Ecosystem or not? • Coral reef: ecosystem • Vacant lot: ecosystem • Utility pole: not an ecosystem
2. Population or not? • Bacteria inside a person’s body: not a population • People at a football game: POPULATION • All the trees in a forest: not a population • All maple trees in a forest: POPULATION • All animals in a forest: not a population
1. Density dependent or density independent? • Winter storms: density independent • Disease: density dependent • Predators: density dependent
2. How is a predator different from a parasite? • A predator usually kills and eats its prey