Growing a seed – Plant Biology Project
Growing seedlings in a pot full of dirt Learn more about seeds by growing your own. Buy a packet of seeds at the store, or save the seed from an [...]
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05, 2017
What is moss? Plant Biology and Evolution
A moss-covered rock During the Cambrian period, about 540 million years ago, some early plants evolved from earlier algae that could live on land, outside of the water. These plants [...]
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05, 2017
Ginkgo trees – Plant evolution and biology
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 [...]
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05, 2017
What are ferns? Plant biology and evolution
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 [...]
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05, 2017
What are cycads? Evolution and Biology
Cycad trees. They look like palm trees but they are very different! At the end of the Carboniferous period, about 300 million years ago, the only kinds of plants on [...]
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05, 2017
Photosynthesis project – Plants and sunshine – Science Activities
Will your shadow keep the grass from growing? You can see for yourself how important sunlight is to plants. Take any patch of green grass, and cover some of the [...]
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05, 2017
What is a chloroplast? Parts of a cell – Biology
Chloroplasts (seen through a microscope) - how did chloroplasts evolve? When did chloroplasts evolve? The first cells that could make sugars out of sunlight and carbon dioxide and water by [...]
