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Overview of chapter 5: Evolution - How populations change over time, principles of population ecology, biological communities, species richness in a community, community development. | Cliff Keeler Alamy Ecosystems and Living Organisms 5 Overview of Chapter 5 Evolution How Populations Change Over Time Principles of Population Ecology Biological Communities Species Richness in a Community Community Development 2015 John Wiley Sons Inc. All rights reserved. Yellowstone and gray wolves Wolves are a top predator were near extinction listed endangered in 1974 Reintroduced into Yellowstone 1995 by FWS Wolves are having far reaching effects on ecosystems Wolves prey on elk less overgrazing greater biodiversity of plants and small predators reduced coyote and increased scavenger populations 2015 John Wiley Sons Inc. All rights .
