SampleEcologyQuestions1 - conditions or resources were more...

Info icon This preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
1. What do an asexual spore, a male and a female duck, a pregnant female fish, or a potentially free living fragment of a modular plant all have in common? a. They are all early successional species. b. They are all "K-selected. c. They are all propagules. d. They are all members of the same trophic level. e. They are all keystone species. 2. For exponentially growing populations, dN/dt = rN where N is the number of individuals and dt is a vanishingly small interval of time. The units of “r” , the intrinsic rate of increase for a population, are 3. If organisms occur in parts of the habitat that ecologists believe is outside of their Fundamental Niche, which of the following is probably NOT a possible explanation
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: conditions or resources were more suitable for persistence, and only older individuals living off of stored reserves persist now. c. The ecologists are mistaken about the conditions the organisms could tolerate or the resources that they require d. The organisms are feeding on resource subsidies that are flowing into the environment from an outside source, but have not been detected by the ecologists. e. The organisms are dispersal limited, and so cannot reach other habitats 4. Which factor drives the seasonality in day length and temperature experienced by northern and southern regions on Earth? a. The Coriolis Effect b. The tilt of the Earth’s axis c. The elliptical orbit of Earth around the Sun, so distance between the two varies d. The greater intensity of radiation that strikes the equator relative to the poles e. Adiabatic cooling of air as it rises...
View Full 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