Absorbing prokaryotic cells. This theory is called the endosymbiotic theory.
The early prokaryotic cells that were absorbed likely evolved into mitochondria and chloroplasts, membrane-bound organelles with their own DNA in single chromosomes and their own ribosomes.
No, not really because if nothing is near them they cant sense any type of danger. But if something is close they may be afraid but don't sense danger. It basically a spiderman myth.
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- LILBLAKEYOUT
in the future, doctors and scientists hope to use our genetic information to diagnose, treat, prevent and cure many illnesses. Genes are instructions, which tell your body how to make all the proteins it needs to survive and grow.
The difference between them is that an ecosystem is a community of organisms and their environment. And a biosphere is all the living organisms.