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- Lichen (biotic)
- This is what a brand new blossoming ecosystem looks like. It is full of rocks and has a little bit of lichen (a pioneer species) covering a few. The lichen will break down rocks through weathering into soil and allow grass to grow there.
- This is the second part of primary succession
- Like the human body with homeostasis, ecosystems want to get to an equal state, or climax community. This is called Ecological succession, and there are two types. Primary succession, and Secondary succession. One begins with natural disaster, and the other begins with absolutely nothing.
- Grasses (biotic)
- Grass, trees, hare, squirrel (biotic) sun (abiotic)
- All ecosystems have abiotic factors and biotic factor to maintain sustainability. Abiotic factors are non-living parts of an ecosystem, but are just as important. Some include water, climate, air, and sunlight. This stage of primary succession has a few small trees, bushes, and lots of grass.
- Developing forest
- Biotic factors in an ecosystem are required as much as abiotic factors. These include organisms such as plants and animals. They also happen to be producers, consumers, and other things as well. There are currently many tall trees, lots of grasses and organisms. This forest is currently at climax community.
- Mature forest
- For secondary succession to occur, a natural disaster must. Once this forest stops burning, the dead organisms will help the new ones grow.
- The forest is currently growing back slowly. The forest will grow back faster because there is dirt left behind, so there is little biotic factors left, but lots of dead things.
- Birds (biotic) are coming back the recovering forest (developing forest) and there are more living trees than dead ones. The air (abiotic) is also improving.
- The forest has once again reached climax community and has many trees, shrubs, and organisms.
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