Life began in the oceans and evolved in different ways either by chance or directed mutation. Bacteria were early lifeforms that developed photosynthesis, releasing oxygen that enabled more advanced organisms. Algae were able to attach to surfaces and survive in tidal zones. Lichen formed a symbiosis between mushrooms and algae, often being pioneer organisms, while mosses and ferns also evolved, with ferns once being as tall as trees before the development of plants that reproduced through seeds.

1. Ocean to land areas
• Life started in the sea
• Development by chance or choice?
• Different nutrition, different paths
• Mutation

2. Bacteria
• Developed photosynthesis
• Oxygen for everybody – more advanced
lifeform

3. Algea
• Possibilities for attaching to a surface
• Survive in salty water and tide-sone

4. Mushrooms
• A plant and not
• No chlorophyll = no photosynthesis

5. Eat it

6. Or not.....

7. Lichen: a symbiosis between
mushrooms and algae. Usually the
first one on the scene

8. Moss

10. Fern, used to be as tall as a tree

11. Fern-familiy

12. Not on the top of the world, but
top on the developmnet:

13. Differences: the seeds
• Hepatica nobilis