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bcearthangel

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bcearthangel

Fatty Calories

Fat contains twice as many calories per unit weight as carbohydrates does, so fat is an efficient way for animals, who must move about, to store energy. Compare the way fat and carbohydrates interact...
01:22 Tue 02nd Oct 20072 answers, last by thechymist 00:07 Mon 26th Nov 2007
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bcearthangel

Birds in Migration

Many birds must store large amount of energy to power flight during migration. Which type of organic molecule would be the most advantageous for energy?why?
01:21 Tue 02nd Oct 20071 answer, last by Avatar 16:23 Tue 02nd Oct 2007
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bcearthangel

Radioactivity in Plants and Animals

Do you remember the nuclear accident at Chernobyle in 1986? A scientist suspects that the food in a nearby ecosystem may have been contaminated with radioactive nitrogen over a period of months. Which...
01:17 Tue 02nd Oct 20072 answers, last by brachiopod 00:27 Thu 04th Oct 2007

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