10 3 07 - Scope of Ecology Ecology is the study of...

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

View Full Document Right Arrow Icon
Scope of Ecology Ecology is the study of interactions of organism with other organisms and with the physical environment. The study of interactions can be undertaken at many levels: the individual organism, populations, communities, ecosystems, and the biosphere. A population is all the members of the same species interacting with the environment at a particular locale. A community consists of the various population in an area. An ecosystem is the community plus its nonliving habitat, including abiotic (nonliving) and biotic (living) components. The biosphere is the portion of the entire earth’s surface, including air, water, and land where living things exsist. Ecology describes the environment and tests models. Terrestrial Community What effects a population? A community? An ecosystem? A biosphere? Population Characteristics and Growth Population density is simply the number of individuals per unit area or volume. Distribution of these individuals can be uniform, random, or clumped Most members of population are clumped, as are the members of a human population. Patterns of distribution within a population Factors Affecting a Population Abiotic factors such as water, temperature, and availability of organic nutrients often determine a population’s distribution.
Image of page 1

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

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

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern