Metamorphosis of an insect may be ametabolous hemimetabolous, or holometabolous. Neuroendocrine and endocrine secretions control metamorphosis.昆虫的变态可以是无变态型、渐变态型, 不完全变态型和完全变态型. 神经分泌和内分泌控制变态行为....
How monogamy fares during this epoch, therefore, only occupies him very briefly.所以, 他只是非常简单地论述了一下一夫一妻制在这一时期的命运.People still opt for monogamy and marriage.人们仍然选择一夫一妻制。McLennan knew only three forms of marriage: polygyny, ...