Jurassic

25 05, 2017

Why do mosquitoes bite? Biology

By |2018-04-15T17:18:17-07:00May 25th, 2017|Biology|Comments Off on Why do mosquitoes bite? 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 [...]

25 05, 2017

What are arthropods? Biology

By |2019-02-03T21:35:07-08:00May 25th, 2017|Biology|Comments Off on What are arthropods? Biology

Bee on a flower What are arthropods? Insects, spiders, crabs, and lobsters are all arthropods, so there are a lot of arthropods on Earth. Annelid worms All our biology articles [...]

25 05, 2017

Evolution of Grasshoppers – Biology

By |2019-07-15T10:07:25-07:00May 25th, 2017|Biology|Comments Off on Evolution of Grasshoppers – Biology

Evolution of grasshoppers: Grasshopper sitting on a leaf Why do grasshoppers jump? When grasshoppers first evolved from earlier insects, about 300 million years ago, they lived in forests of huge [...]

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