which animals visit flowers?
why do animals visit flowers?
how do flowers encourage animals visitors?
what makes a visitor into a good pollinator?
costs,benefits,and conflicts in animal pollination
why pollination worth studying?

不同水平的传粉者-植物相互作用？
资源分配、竞争、开发利用、单纯的欺骗？
对传粉系统的影响因素？自然因素，人为影响？

熊峰传粉的效率？
缠成一团的花粉怎样弄到柱头上，是否可授？
把花剖开，有无蜜腺