ferns

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24 06, 2017

Jurassic Period – dinosaurs and ferns

By |2018-04-21T11:56:46-07:00June 24th, 2017|Geology, When|0 Comments

A dinosaur skeleton When the Jurassic period began, about 199 million years ago, a lot of animals had just become extinct in the catastrophe that ended the Triassic period. This left room for the dinosaurs to have a lot of baby dinosaurs. Soon all different kinds of dinosaurs were living all over the [...]

24 06, 2017

Devonian Period – fish, lungfish

By |2019-09-20T12:26:23-07:00June 24th, 2017|Biology, Geology|0 Comments

Coelocanth: a fish from the Devonian period When was the Devonian period? Four hundred and sixteen million years ago, when the Silurian period ended and the Devonian period began, most of the land on Earth was clumped together into a supercontinent called Gondwana. Silurian period Plate tectonics All our geology articles Life in [...]

23 06, 2017

Carboniferous Period – Geology

By |2019-02-28T09:47:59-07:00June 23rd, 2017|Geology|0 Comments

Dragonfly When was the Carboniferous period? With the end of the Devonian period about 359 million years ago, the Carboniferous period got started. More about the Devonian Quick summary of geological eras All our geology articles What was the Earth like then? Most of the land on Earth was warm and swampy, which [...]

1 06, 2017

History of Coal – Central Asian science

By |2018-09-27T06:43:01-07:00June 1st, 2017|Central Asia, Science|0 Comments

History of coal: These are lumps of coal What is coal made of? Most of the coal on Earth formed during the Carboniferous Period about 350 million years ago, when giant ferns growing in wetlands were flooded and buried under a blanket of mud before they could rot. What happened in the Carboniferous [...]

30 05, 2017

What is a spore? – Plant reproduction – Biology

By |2018-04-13T23:51:51-07:00May 30th, 2017|Biology|0 Comments

Fern spores on the underside of a frond When plants like moss first began to grow outside the water, about 540 million years ago, they needed a way to reproduce themselves that didn't depend on water so much. Some of these plants evolved to be able to produce spores. To make spores, plants [...]

29 05, 2017

Ginkgo trees – Plant evolution and biology

By |2019-07-30T23:20:51-07:00May 29th, 2017|Biology|0 Comments

Ginkgo trees The first trees Ginkgo trees were the first kind of tree. These first trees on earth appeared during the Permian period, about 270 million years ago. This was during the time of the early dinosaurs. Earlier ferns The Permian period More about dinosaurs All our biology articles How did they spread? Because [...]

29 05, 2017

What are ferns? Plant biology and evolution

By |2019-06-08T06:49:11-07:00May 29th, 2017|Biology|0 Comments

What are ferns? Ferns growing in a forest  When did ferns evolve? The first ferns - the first plants that had leaves - evolved from plants that were more like moss. Ferns evolved about 360 million years ago, during the Carboniferous Period. Earlier plants: moss Carboniferous Period All our biology articles Where do ferns [...]