Myelin, the coating of nerve axons, is which type of lipid?
A) cephalin
B) lecithin
C) simple lipid
D) sphingolipid
D
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What do many deep water organisms use for feeding and the attraction of mates?
a. Keen eyesight b. Bioluminescence c. Sense of smell d. Electrical impulses
Despite a worldwide moratorium on whale hunting by the International Whaling Commission,
A) Norway, Japan, and Iceland have continued to hunt whales. B) most nations of the world now permit the hunting of whales. C) whale meat is now more popular than ever in Japan and China. D) the impact of whales on commercial wild fish populations requires whale hunting worldwide.
Match the term with the correct description.?
A. ?using materials, such as aluminum, again for the same purpose B. ?recycling materials into different products than the ones they were initially a part of C. ?recycling a product into something that is not as useful or long-lived as the original item D. ?waste generated in a manufacturing process E. ?waste generated from use of a product by consumers
A variety of techniques and efforts are used to stabilize shorelines throughout the world
Are all of these efforts only temporary measures or are any of them permanent? Also, does urbanization and development of coastal areas always contribute to shoreline erosion? Explain.