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200
Development of Flowers
Around 125 million years ago, plants developed flowers, which are the sexually reproducing organ of the plant. This allowed genes to intermingle and also provided edible food for humans (like apples). -
412
Development of Stems
412 million years ago, plants appear with stems, the spine of today's plants. -
424
Development of Wood
424 million years ago, plants (specifically trees) started having bark. -
Development of Spores
418 million years ago, plants started having spores (which are the bean sprout like growths that appear on bread mold). -
Development of Roots
Around 409 million years ago, plants developed roots to anchor themselves to the ground and to draw nutrients and moisture from the earth around them. -
Development of Leaves
Around 408 million years ago, plants started having leaves, which allowed them to expand their surface area for photosynthesis. -
Development of Seeds
369 million years ago, plants developed seeds as a means of reproducing themselves to a larger area.
