are bacteria alive?

Bacteria are tiny, single-celled living organisms.

Bacteria are single-celled living microorganisms. They are prokaryotes, which means they lack a nucleus and a very simple cell structure.

Bacteria can also be found worldwide in the human body, where scientists estimate there are 10 times more bacterial cells than human cells. Bacteria can live inside or outside the body and can assume various shapes and sizes.

They are capable of homeostasis, metabolism, growth, adaptation, and reproduction, which are all characteristics of living organisms.

Bacteria can reproduce asexually by binary fission and perform metabolic processes, such as photosynthesis and aerobic/anaerobic respiration. Bacteria are therefore considered living organisms.

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