送交者: Enlighten 于 2008-05-07, 10:57:55:

回答: 个头(body size)越大，数量(number of individuals within a species)越少 由 yell 于 2008-05-07, 10:41:50:

• 我对ecology是一窍不通。食草的比食肉的多是肯定的(食物链的方向) - yell (90 bytes) 2008-05-07, 11:23:13 (224463)

加跟贴