About This Chapter
Habitats & Ecosystems - Chapter Summary
Scientists often study habitats and ecosystems separately, but in fact habitats are found within ecosystems, so the two significantly influence each other. These lessons address major factors that can affect both habitats and ecosystems, such as issues with population, environmentalist concerns, finding a balance, and more. Our instructors introduce you to these concepts by using real world or highly realistic examples. By using these examples, you gain a deeper understanding of each concept, and more often than not you will see the practical applications of these concepts. Since the chapter has been separated into short lessons, the instructors can keep your focus concentrated on the most pertinent facts, vocabulary terms, and diagrams. Should any of the information seem unclear, our instructors are ready to answer any of your questions. Topics addressed in this chapter include:
- Ecosystems and carrying capacity
- Dispersion and migration patterns
- Habitat fragmentation and conservation biology
- Concerns with metapopulations
- Ecological balance and invasive species
1. Carrying Capacity, Migration & Dispersion
Have you ever wondered why some types of birds fly south in the winter or why some animals form territories? Watch this video to learn about a species' maximum growth capabilities, the way its members group themselves and why they might migrate to new locations every year.
2. Conservation Biology, Habitat Fragmentation, and Metapopulations
It's becoming harder to conserve large, unbroken tracts of wilderness. Is there another way for conservation biologists to ensure the survival of a species? In this lesson, you'll learn about habitat fragmentation and metapopulations.
3. How Introduced and Invasive Species Alter Ecological Balance
What happens to your block when a new neighbor moves in? Something changes, right? Now think about that on an ecological scale: what happens to an environment when a new SPECIES moves in?
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Other chapters within the Environmental Science 101: Environment and Humanity course
- Introduction to Environmental Science
- Ecosystems and the Effects of Pollution
- The Evolution of Ecosystems
- Meteorology and the Environment
- Geology and the Environment
- Biological Science
- Causes and Effects of Freshwater Pollution
- The Relationship Between Land and the Environment
- Effects of Population Growth on the Environment
- Environmental Impact of Agriculture
- Solid and Hazardous Waste
- Human Impact on the Environment
- Renewable Resources and the Environment
- Nonrenewable Resources
- Environmental Sustainability
- Analyzing Environmental Risks
- Impact of Environmental Policy
- Studying for Environmental Science 101