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What are conifers? Pine trees, gymnosperms

By |2018-04-21T11:56:36+00:00May 30th, 2017|Biology|

Spruce tree - a type of gymnosperm and conifer Near the end of the Carboniferous period, about 300 million years ago, the land on Earth got a lot drier than it had been before. It was drier because plate tectonics was bringing all of the land together into one big continent, Pangaea. Plants that [...]

Collecting pine cones – Gymnosperms project

By |2018-04-16T10:35:31+00:00May 30th, 2017|Biology|

Squirrel eats pine seeds from a cone Go take a walk outside in the fall and collect pine cones on the ground. How many different kinds of pine cones can you find? Can you figure out which tree makes which kind of pine cone? Sit quietly near a pine tree and watch squirrels [...]

Ginkgo trees – Plant evolution and biology

By |2018-04-21T11:56:44+00:00May 29th, 2017|Biology|

Gingko trees Ginkgo trees were the first kind of tree. The first ginkgo trees on earth appeared during the Permian period, about 270 million years ago. This was during the time of the early dinosaurs. Because at this time all of the earth's land was grouped together in one continent, Pangaea, ginkgo trees spread [...]