Biology homework. Please help !?

Posted on 2014-04-11 07:29:00 in Biology by GIANNI

1. Why energy loss is particularly high in mammals and birds ?

2. Is it more efficient to grow crops ( such as corn ) or animals ( such as chicken ) for human food? Give a reason for your answer.

3. "Battery farmed" chickens are kept in heated sheds, in cages that stop them moving around too much. Explain how this improves the efficiency of food production.

4. Why much less energy reaches man when eating animals than when eating plants.

PLEASE ! THANKS FOR ANY HELP !!!

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