Biology

Viruses alter plant biochemistry in order to manipulate visiting aphids into spreading infection.

Biology


Although it lived roughly 65 million years before the earliest known occurrence of figs, the fossil wasp's ovipositor closely resembles those of today's fig wasps.
A 115-million-year-old fossilized wasp from northeast Brazil presents a baffling puzzle to researchers. The wasp's ovipositor, the organ through which it lays its eggs, looks a lot like those of present-day wasps that lay their eggs in figs. The problem, researchers say, is that figs arose about 65 million years after this wasp was alive.




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