As scientists found out, among all ever the plants living on the planet blue-green seaweed, lichens and mushrooms are the most ancient. Until recently one and all mushrooms carried to the lowest plants.
Instruction
1. Age of the most ancient found remains of blue-green seaweed - about 3 billion years. The seaweed living in various reservoirs and containing a chlorophyll in the cages rank as the lowest group of plants on an equal basis with lichens and mushrooms. The chlorophyll which all of them contain gives them green coloring, but because of additional pigments of an alga can be the most various shades: blue, golden, red, brown. All seaweed are united that their body is not divided into a stalk and leaves, and is called sloyevishchy in spite of the fact that among them there are types reminding listostebelny plants in structure.
2. These plants have a huge variety not only in coloring, but also in the sizes. There are seaweed in the form of unicells, and there are reaching 50 meters in length difficult organisms. For example, it Sargassuma, floating freely in the form of the whole islands in the Sargasso Sea. Their thickets quite often reach the area of several kilometers. Reproduction of seaweed happens in the sexual way, vegetativno and disputes - depending on a look.
3. Mushrooms are allocated to the certain kingdom of fauna now, but until recently belonged to the class of the lowest plants, some of the most ancient on the planet.
4. Lichens are symbiosis of mushrooms and seaweed, so close that the separate group of organisms was as a result formed. These lowest plants are more hardy, than all other, and survive in the places inaccessible for all other plants. Places of their dwelling are inaccessible to neither mushrooms, nor seaweed, quite often in barren lands they are pioneers. The majority of lichens are attached to the place of growth, but also the wandering types meet. In a form and coloring the lichens are as various as seaweed. Mosses and lichens appeared on the planet of dinosaurs much earlier.
5. In ancient relic forests there were no trees - their kingdom came much later. Instead of them huge ferns, club mosses and horsetails grew. Their smaller forms remained and until now, having adapted to the woods of our days. One of such plants which remained almost invariable is called selaginelly, mistakenly it is called a rose of Jericho. This plaunovidny plant meets on swamps of northern regions. As well as all representatives plaunovidny, lived up to the present, it strongly crushed. Ferns and horsetails are settled worldwide now and are perennial grassy plants. These plants are not absolutely only in Antarctica and in Australia.