{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Study Questions after midterm II

Study Questions after midterm II - Keen 2B Study Questions...

Info icon This preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Keen 2B Study Questions before the final exam 1. Suppose you hear crickets chirping. Males call to attract females. One set of sounds has a series of short chirps followed by a long pause. The other set of sounds has three long chirps and a short pause. The field guide says that there are two closely related species present. Which of the following is likely? a) female crickets search for males visually b) the two cricket species are mechanically isolated c) the two cricket species are temporally isolated d) female crickets identify the species of male by the call e) spatial isolation keeps these two species apart 2. Still thinking about the crickets from question 1, suppose that females occasionally select a male of the wrong species as a mate. Which of the following would still allow two distinct or “good” species of crickets to persist? 3. If there is an error in meiosis so that a gamete has more than the typical number of chromosomes, and this gamete fuses with another just like it, the resulting zygote would be: 4. The earliest horses are known from fossils to be small dog-like animals in genus Hyracotherium . Over evolutionary time there has been a steady change in the position of the feet while running. The number of toes on the ground has been reduced from 5 to 3 to 1. This kind of change within a single lineage is called:
Image of page 1

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

View Full Document Right Arrow Icon
Keen 2B 5. What is a sister taxon? a) the ancestor of two modern species b) the part of a lineage that did not go extinct c) two species that live in the same place d) half of a lineage that split during cladogenesis e) the opposite of a brother taxon 6. A cladogram is:
Image of page 2
Image of page 3
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