已知種類birds 是homoiotherms,但是,animal birds 卻會migrate 去溫暖的地方.
那animal birds是恆溫還是變溫動物??
恆溫與變溫動物?
2011-05-01 8:02 pm
回答 (3)
2011-05-04 1:10 am
✔ 最佳答案
Birds are homoiotherms, but the reason why they migrate is in this paragraph.Many bird species migrate to 1. take advantage of global differences of seasonal temperatures , therefore optimising availability of 2. food sources and 3. breeding habitat .
2011-05-03 4:21 am
恆溫, 去溫暖的地方唔代表佢地怕凍, 可能係for food, 而且變溫動物大多係冬眠, 並唔係migrate
2011-05-01 8:11 pm
恆溫動物,因BIRD己是恆溫動物,就是這樣EASY
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