Fact : #5
Bacteria
- Bacteria are single-celled microscopic organisms.
- There is about 5 nonillion of them right now.
- Bacteria live in our food, our water, our air and even inside our bodies.
- Without bacteria, cows wouldn't even be able to eat grass!
- Plants need bacteria too, they convert nitrogen in the soil into simpler structures that plants can absorb more easily.
- Bacteria come in lots of different shapes and sizes.
- Some can't move, but others move using whip-like strands called flagella.
- Bacteria are prokaryotic cells, unlike animal's and plant's cells most bacterial cells don't contain many complex organelles.
- Some bacteria are able to generate their own energy through photosynthesis.
- Some survive by digesting chemicals in their environments.
- Most bacteria reproduce asexually in a process called fission.
- Fission produces two cells with the same genetic material as the parent cell.
- Some bacteria exchange genetic material in a process that's closer to sexual reproduction.
- Bacteria can reproduce very quickly, sometimes as fast as once every 20 minutes.
- Bacteria are among the oldest forms of life on the planet Earth.
Notes taken from : BrainPOP.com
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