Chapter 4-key terms

Chapter 4-key terms - C hapter 4- C ommuni ty Ecology, P...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 4- Community Ecology, Population Ecology, and the Human Population Key Terms: 1. Native species- Species that normally live and thrive in a particular ecosystem. 2. Nonnative Species- Species that migrate into an ecosystem or are deliberately or accidentally introduced into an ecosystem by humans. 3. Indicator species- Species that serve as early warnings that a community or an ecosystem is being degraded. 4. Keystone Species- Species that play roles affecting many other organisms in an ecosystem. 5. Foundation species- Species that plays a major role in shaping a community a community by creating and enhancing a habitat that benefits other species. 6. Interspecific competition- Attempts by members of two or more species to use the same limited resources in an ecosystem. 7. Resource partitioning - Process of dividing up resources in an ecosystem so that the species with similar needs (overlapping ecological niches) use the same scarce resources at different times, in different ways, or in a different place. 8. Predation - Interaction in which an organism of one species (the predator) captures and feeds on parts or on all of an organism of another species (prey). 9.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/17/2011 for the course EVS 2010 taught by Professor Ney during the Spring '11 term at Saint Petersburg.

Page1 / 4

Chapter 4-key terms - C hapter 4- C ommuni ty Ecology, P...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online