Is a microbe a living thing? What evidence in the investigation supports this?
Answers
Explanation:
The evidence supporting attribution must be robust and suitable for use in legal ... scenarios introducing biological threats into agricultural animal populations
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Living organisms have seven characteristic:
- Able to carry out homeostasis .
- Being composed of one or more cells.
- Being able to carry out metabolism(both catabolism and anabolism).
- Able to carry out growth.
- Able to adapt to their environment.
- Respond to stimuli.
- Reproduction
bacteria reproduce
they do asexually via binary fission.
bacteria carry out metabolism
cyanobacteria carrying out photosynthesis and many bacteria carry out aerobic/anaerobic respiration.
bacteria respond to stimuli
bacteria such as E.Coli have been known to "swim" in chemical gradients towards attractants such as glucose or away from repellants such as ethanol.
We have a word for this phenomena ,chemotaxis.
bacteria adapt to their environment
Bacteria have organelles such as pili to carry out conjugation which helps transfer alleles for antibiotic resistance and a shorter pili called fimbriae which helps them attach to surfaces.
bacteria do grow
bacteria do grow ,they must before they can carry out binary fission.
bacteria carry out homeostasis
they have organelles such as a cell membrane and cell wall to assist them in this. Antibiotics such as penicillin work by preventing the formation of cell walls,so bacteria can no longer maintain homeostasis.