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How flowers reproduce – Plant Biology

By |2018-04-13T17:05:54+00:00May 30th, 2017|Biology|

Black-eyed Susan (the black in the middle is the seeds) The earliest flowers probably developed about 130 million years ago, in the Cretaceous period, as a way to attract newly evolved flying insects - mainly bees - and get them to help spread the plant's pollen far away from where the plant was [...]

Why do mosquitoes bite? Biology

By |2018-04-15T17:18:17+00:00May 25th, 2017|Biology|

Mosquitoes bite people: A mosquito on human skin Like bees, mosquitoes evolved from earlier flies and dragonflies about 200 million years ago, during the Jurassic period. Mosquitoes have six legs like other insects. Also like bees, mosquitoes evolved to eat pollen from the new flowers that appeared about this time. And like bees, mosquitoes [...]