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Preserving Wildlife: Understanding Ecology and Population Dynamics

Explore the intricate relationship between natural processes and animal populations in this chapter on Ecology. Learn about population size, composition, dynamics, and more. Topics covered include density-dependent and density-independent factors, growth patterns, biotic and abiotic influences, carrying capacity, interspecific interactions, survivorship curves, habitat optimization, and controlled hypothermia. Discover how animals adapt to their environments and the importance of preserving biodiversity.

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Preserving Wildlife: Understanding Ecology and Population Dynamics

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  1. Ecology: Preserving the Animal Kingdom Chapter 6

  2. The study of how natural processes affect the size, composition and dynamics of a population

  3. Review Words • Population • Community • Ecosystem • Biosphere • Ecology • Density-dependent • Density-independent • Exponential Growth • Logistic Growth • Biotic • Abiotic • Carrying Capacity • Survivorship Curve • Competition • Parasitism • Commensalism • Mutualism • Niche • Succession • Trophic Levels

  4. Animals and Their Abiotic Environments • A habitat includes all biotic and abiotic factors • Animals operate best when in their typical tolerance range • The range of optimum defines the conditions under which an animal is most successful • When does a factor become limiting?

  5. Controlled Hypothermia • Periods of decreased body temperature and metabolism in animals • Survival mechanism to help animals through harsh conditions • Torpor – Daily • Hibernation – Weeks or Months • Winter Sleep – Months • Aestivation – Months or Years

  6. Interspecific Interactions • Predation • Competition • Coevolution • Symbiosis • Coloring (camouflage, cryptic coloration, countershading, aposematic coloration) • Mimicry

  7. Age Structure Diagram

  8. Project/Presentation • You may work with a partner • The assignment is due next Tuesday, with presentations (3 minutes minimum) beginning that day • Presentation must include visuals and a handout • Choose from the following topics: • Coevolution • Land and Freshwater Use • Ocean Acidification • Human Population

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