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seed vs. soil, with some fungus thrown in
agriculture
biology
botany
ecology
mutualism
技术
科学
源
why butterflies, bees drink crocodile tears
厄瓜多
哥斯大黎加
amazon
animals
bees
butterflies
caiman
central america
crocodiles
featured
insects
lachryphagy
latin america and the caribbean
mutualism
naturalism
reptiles and amphibians
tear-feeding
weird & wild
科学
源
crows feed cuckoo chicks, get stinky defense against predators
biology
evolution
mutualism
parasitism
scientific method
技术
源
how cats and people grew to love each other
中國
animals
archaeology
cat
cats
commensalism
domestic cat
domesticate
featured
mutualism
weird & wild
科学
源
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