EEB100S09EcolBKey

EEB100S09EcolBKey - EEB 100 Spring 09 Name & ID_ _ Dont...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
EEB 100 Spring 09 Name & ID____ ________________________ Page 1 of 7 • Don’t open your exam until instructed to. • Write your name and student number on every page of the test before handing in the test (you will lose 10 points if you don’t!). • Answer written questions in space provided. Do not write on the back. Only answers on the front side of pages will be graded. NO EXCEPTIONS. If you must cross something out and run out of room to answer the question in the space provided, you must request another blank exam page. Turn off all electronic devices and put them away. They are not to be out on desks If you need to use the restroom, turn in your exam to a TA. Only one student may leave the room at a time. You may not leave the room with any electronic devices. Turn in your notes page with your exam. • Good luck! I hereby certify that I have neither given nor received any aid on this exam, and that I have read and understand the instructions above. Sign your name here:_____________________________________
Background image of page 1

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

View Full DocumentRight Arrow Icon
EEB 100 Spring 09 Name & ID____ ________________________ Page 2 of 7 PUT YOUR NAME ON EVERY PAGE OF THE EXAM BEFORE STARTING. Exam is 300 pts total 1. For each of the following, list the type of competition described (7 pts each). a. A ground squirrel that emerges from hibernation to eat seeds before birds arrive from their wintering grounds. Pre-emptive b. A wolf pack attacks coyotes that come onto their territory Interference c. Mesquite trees take up water faster than other plant species Exploitative 2. (20 pts) When formulating his ideas about how disturbance shaped communities, Connel examined coral reefs in the Indo-pacific. a. (20 pts) One the graphs below, indicate the general patterns he observed. b. (8 pts) What species interaction is determining diversity at low disturbance frequencies? Competition (OK to put interference or exploitative competition) Disturbance frequency % coral cover Disturbance frequency coral species
Background image of page 2
EEB 100 Spring 09 Name & ID____ ________________________ Page 3 of 7 3. You travel to Hawaii and meet with a scientist working on the ecosystem near the active volcano Mt. Kilauea, on a flow formed in 1974. volcanoes. He shows you the following data comparing plant species diversity in experimental areas where an early colonizing species, Dubautia scabra (common name: na`ena`e) is present to where it is absent. a.
Background image of page 3

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

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 7

EEB100S09EcolBKey - EEB 100 Spring 09 Name & ID_ _ Dont...

This preview shows document pages 1 - 4. Sign up to view the full document.

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