birds

25 05, 2017

Spiders and their Webs – Biology

By |2017-09-16T18:40:57-07:00May 25th, 2017|Biology|Comments Off on Spiders and their Webs – Biology

Fossil spider from the Cretaceous era Spiders evolved from annelid worms beginning about 540 million years ago. They were among the first land creatures with more than one cell. At about the same time, the [...]

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 [...]

25 05, 2017

Why do ants eat bugs?

By |2019-01-28T06:42:41-08:00May 25th, 2017|Biology|Comments Off on Why do ants eat bugs?

Evolution of ants: A bunch of ants When did ants evolve? Ants evolved from earlier wasps about 150 million years ago, during the Cretaceous period. The evolution of ants was around [...]

Go to Top