Chapter 50 An Introduction to Ecology and the Biosphere

Chapter 50 An Introduction to Ecology and the Biosphere -...

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

View Full Document Right Arrow Icon
Chapter 50 An Introduction to Ecology and the Biosphere Lecture Outline Overview: The Scope of Ecology Ecology  is the scientific study of the interactions between organisms and their  environment. Concept 50.1 Ecology is the study of interactions between organisms and the environment Ecologists ask questions about factors affecting the distribution and abundance of  organisms. Ecologists might study how interactions between organisms and the environment affect the  number of species living in an area, the cycling of nutrients, or the growth of populations. Ecology and evolutionary biology are closely related sciences. Ecology has a long history as a descriptive science. Modern ecology is also a rigorous experimental science. Ecology and evolutionary biology are closely related sciences. Events that occur over ecological time (minutes to years) translate into effects over  evolutionary time (decades to millennia). For example, hawks feeding on field mice kill certain individuals (over ecological time),  reducing population size (an ecological effect), altering the gene pool (an evolutionary 
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