Marine Biology (please answer questions with 2 well written paragraphs)

Answer questions in 2 to 3 well-written and thoughtful paragraphs. This will give your professor a clear view of the concepts, facts, and themes that you are understanding and what you still need to work on.

Answers must be in your own words. If you find it especially difficult to rephrase technical and scientific material, you are not alone. Ask your professor for help.

1. Describe which characteristics of whales are most related to their terrestrial mammalian ancestry, and which characteristics are adaptations for their return to the sea. Why do you think baleen whales migrate long distances?

2. Based on what you have learned about the “iron hypothesis” in your text and commentaries and by checking out this website :

< http://www.sciencedaily.com/releases/2003/04/03041… >, answer the following questions:

a) What is the “iron hypothesis?” State it in your own words in one well-crafted sentence.

b) Dr. Buessler states in the article: “Knowing whether ocean fertilization is more like growing grass or trees is the question yet to be answered.” Explain what he means in your own words.

c) What is your opinion of adding iron to ocean water in order to increase absorption of the greenhouse gas CO₂?

3. List 10 animal phyla and compare and contrast their anatomy, physiology, modes of reproduction, sensory perception, and behaviors. Be thorough and specific describing similarities and differences as you would to a friend with no science background. Feel free to illustrate your work.

 

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