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Ch 56: Campbell Biology Chapter 56: Conservation Biology and Global Change

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About This Chapter

The Conservation Biology and Global Change chapter of this Campbell Biology Companion Course helps students learn the essential lessons associated with global change and conservation biology. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Conservation Biology and Global Change textbook chapter.

How It Works:

  • Identify the lessons in the Campbell Biology Conservation Biology and Global Change chapter with which you need help.
  • Find the corresponding video lessons with this companion course chapter.
  • Watch fun videos that cover the conservation biology and global change topics you need to learn or review.
  • Complete the quizzes to test your understanding.
  • If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.

Students will learn:

  • The impact of biodiversity in ecosystem stability
  • Causes and effects of habitat fragmentation
  • The impact of introduced species on ecological balance
  • Effect of humans on ecosystems and the global environment
  • Approaches to population conservation
  • What corridors do for habitats
  • The impact of greenhouse gases on global warming
  • Consequences of ozone layer thinning
  • Human activities that endanger the environment
  • Challenges of sustainable development

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13 Lessons in Chapter 56: Campbell Biology Chapter 56: Conservation Biology and Global Change
Chapter Practice Test
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What is Biodiversity? - Definition and Relation to Ecosystem Stability

1. What is Biodiversity? - Definition and Relation to Ecosystem Stability

Biodiversity refers to the variety of life on earth that exists on all levels of biological organization. Explore the definition of biodiversity, the types of biodiversity, and study biodiversity and its relation to ecosystem stability.
Habitat Fragmentation: Effects, Definition & Causes

2. Habitat Fragmentation: Effects, Definition & Causes

Civilization development, such as roads and housing, have conflicted with nature for thousands of years and also has had a signficant impact on the environment. Learn about this process of separating organisms from their resources called habitat fragmentation, the dire implications for the habitat and biodiversity, and potential solutions.
How Introduced and Invasive Species Alter Ecological Balance

3. How Introduced and Invasive Species Alter Ecological Balance

Introduced species are new organisms brought into an ecological environment that affect the ecological balance of that environment. Compare and contrast characteristics of an introduced species versus an invasive species, and how both alter the ecological balance of an environment.
Over-Exploitation: How Humans Affect Ecosystems By Decreasing Species Populations

4. Over-Exploitation: How Humans Affect Ecosystems By Decreasing Species Populations

The process of harvesting species from a natural habitat at a rate faster than the species can repopulate is called over-exploitation. Learn about overfishing and how humans negatively affect ecosystems by decreasing species populations.
Small-Population Approach to Population Conservation

5. Small-Population Approach to Population Conservation

Small populations are those with critically low numbers, which are on the verge of extinction. Learn the significance of genetic variation, extinction vortexes, and the minimum viable population in small-population conservation.
Declining-Population Approach to Population Conservation

6. Declining-Population Approach to Population Conservation

Declining populations are those with notable decreases in their overall number of organisms. Analyze the various reasons contributing to population decline through examples of real-world conservation efforts.
Landscape Structure & Biodiversity: Fragmentation, Edges & Corridors

7. Landscape Structure & Biodiversity: Fragmentation, Edges & Corridors

The structure and biodiversity of a landscape are the primary focus of the study of landscape ecology. In this lesson, learn how spatial arrangements like fragmentation, edges, and corridors affect biodiversity and ecological processes over time.
Landscape Ecology: Establishing Protected Areas

8. Landscape Ecology: Establishing Protected Areas

Landscape ecology addresses how spatial arrangements of habitats affect ecological processes, including the abundance and distribution of organisms. Review the challenges considered when establishing areas designed to protect the endemic species and biodiversity hot spots by creating nature reserves.
Human Impacts on the Environment

9. Human Impacts on the Environment

Human activities have their impacts on the environment which are usually negative effects. Learn about how humans are destructive to the environment, and how this causes global climate change, habitat loss, and overharvesting.
Fossil Fuels, Greenhouse Gases, and Global Warming

10. Fossil Fuels, Greenhouse Gases, and Global Warming

Fossil fuels and greenhouse gases are some of the environmental factors that contribute to global warming. Learn about these factors and how humans affect the carbon cycle, and perhaps understand that global warming isn't the end of the world as yet.
The Ozone Layer: Importance and the Harmful Effects of Thinning

11. The Ozone Layer: Importance and the Harmful Effects of Thinning

The ozone layer of the Earth absorbs the ultraviolet radiation coming from the Sun. Learn about the importance of ozone, discover how CFCs break down the ozone, explore the early discoveries about harmful effects of CFCs and the thinning of the ozone layer, and determine policies in place to protect the ozone.
Human Behaviors that Threaten Environmental Sustainability

12. Human Behaviors that Threaten Environmental Sustainability

Human development habitually threatens environmental sustainability. Examine human behaviors, and how they affect the natural environment, environmental sustainability through population growth, resource depletion, and pollution.
Sustainable Development within Environmental Limits

13. Sustainable Development within Environmental Limits

Sustainable Development describes advancements or projects that can be enacted without significantly impeding environmental health. Explore the influence of natural replenishment on this principle, and the environmental limits considered in protecting future generations' resources.
Chapter Practice Exam
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Practice Final Exam
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