As occurred plants? According to scientific theories,There was a time when on Earth were no plants. And then, several hundred million years ago, as were small balls of protoplasm. Protoplasm is the name of living matter that is found in plants and in animals. These primordial cells protoplazmata according these theories were the rudiments of all today's plants and animals.
The cells of protoplasm that developed plants have thick walls and are underpinned one place. They also created a kind of green material, known as "chlorophyll". It allowed them to prepare food for substance that were in the air, water and earth.
These first green plants had only one cell, but later formed a group of cells. Because there was no protection from drought, they had to stay in the water. Today some descendants of these primordial plants still living, though highly modified. One group managed to feed plants using chlorophyll. These plants are not green and are called fungi. Most of today's plants caused by algae.
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