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无花果树每年必砍?少一年都不行!背后真相让人恍然大悟!
隐头花序的进化,使得无花果必须依赖特定的传粉昆虫——榕小蜂(Blastophaga psenes)来完成授粉。榕小蜂的雌虫会进入无花果的花序孔,寻找适合产卵的场所,同时携带着来自其他无花果的花粉,从而在不经意间完成授粉。 值得注意的是,并非所有无花果品种都 ...
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今日热点
Ready to resign for peace
Joint Chiefs chair fired
Files motion to dismiss case
5 found dead in IN home
Receives Chairman's prize
Demands productivity report
Seeks nearly $40B in fire aid
PA hospital shooting
LA DA opposes new trial
Former All-Star pitcher dies
Plans to cut 5,400 jobs
Largest drone attack on UKR
AP sues Trump officials
ISR delays prisoner release
Sports gambling probe
Frozen shakes recalled
Trial adjourned indefinitely
Coinbase: SEC to drop suit
Yankees drop ban on beards
LA mayor removes fire chief
TX measles outbreak grows
FDA says shortage over
Hawaii gas grill explosion
To perform free concert
Pepperdine University sues
Trump names 'pardon czar'
To drop immigration case
Recalling 240,000+ cars
Judge allows staff removal
Warmer weather on the way
Legendary soul singer dies
‘Deadwood’ actor dies
Effort to ban DEI blocked
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