$9.00 Biology, geology
- From Biology: General-Biology , Geology: General-Geology
- Closed, but you can still post tutorials
- Due on Aug. 05, 2012
- Asked on Aug 05, 2012 at 2:52:13PM
Hi these questions are due today! please contact me if you are able to help!
Chapter 4: questions 1-3
- What are the sources of the energy that emanates from the earth’s interior and the sun? What are their relative magnitudes?
2. If earth rotated to the west, how would the pattern of the surface, winds and surface ocean currents change relative to their current directions?
Chapter 5: Questions 2-4
2. Some species migrate long distances to their breeding grounds. How could natural selection favor such behavior?
3.Based on the discussion in the policy in the action box, draw a food web for the North Sea fishery. Describe how harvesting pout affects the availability for cod other commercially important fish species.
4. Suppose you have 2 energy pyramids both with 5 trophic positions. One pyramid is dominated by ectotherms: the other is dominated by endotherms. Assuming the environmental concentration of pesticides was the same for both pyramids in which pyramid would the top-level predator have the greatest concentration of pesticides?