BIOC61H3 Lecture 12: Lecture 12

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orangeherring876

12 Feb 2011

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Michael is available for office hours until next week and so will i so send a message if you like. I posted a sample exam on the intranet from last year. It will give you an idea of the questions. They are a blend of testing your definition knowledge and numbers that have been discussed here (excluding the student presentations here and in tutorials) unless the material has been discussed by me i. e. biodiversity. I won"t specifically test anything on the student presentations. All of it will be done in small paragraph answers. There is no true/false or fill in the blank etc. You will have to write something for all of them. You will not get any deductions if you use bullets and sentences as long as you make your answer clear. Sometimes it may be easier to sketch a graph to explain things i. e. vmax.

Related Questions

3. Determine the necessity for a one-to-one correspondence between a specific representation in the mind and a physicochemical condition in some specific neurons/synapses in the associated brain. 4. Analyze fundamental differences between representations from: (a) Visual stimuli vs. those from speech stimuli; (b) Experienced stimuli (instantiated; things that happened externally, the last pizza you ate) vs. imagined stimuli (uninstantiated; anticipating-imagining something for dinner that you've never had before).

In this writing assignment, the student will apply theinformation they learned on the destruction of ecosystems andrelate it to the idea of extinction. The student will not onlyexplore ways in which humans are destroying ecosystems but also howthis may lead to the permanent loss of biodiversity on Earth.

Instructions

Read and listen to the following:

âThe Sixth Great Extinction: A Silent Exterminationâ. - NationalGeographic.

âIn the Worldâs âSixth Extinctionâ, Are Humans the Asteroid?â.NPR Media Player: Interview with Elizabeth Kolbert

Write a short essay discussing how the destruction of ecosystemsare related to the sixth mass extinction discussed in the articleand NPR media player. Be sure to include specific examples in youranswer. Provide at least two academic references to support youranswer.

yellowkoala308

Hi, please answer both questions if possible! Thanks in advance.

1. In a sentence name two types of genetic drift. Then write a sentence or two to differentiate between the two using specific examples. Finally, in a paragraph, explain how genetic drift might allow a few individuals of a species to adapt to a variety of different habitats in a new location (a phenomenon known as adaptive radiation).

2. American bison (buffalo) went through a severe population decline as a result of hunting in the late 1800sâ. The population has rebounded, particularly in Yellowstone and Wind Cave National Parks and more recently in private herds, but there is very little genetic variability in any of the populations. In a paragraph or two explain why the genetic diversity of this species is so low.

jadecat251

BIOC61H3 Lecture 12: Lecture 12

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