Introduced species often take over an ecosystem because they usually what?
2 answers:
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A single-celled prokaryotic organism that is generally free-living and of few micrometers in length is bacteria. They are very small in size that cannot be seen without a microscope.
bacteria will be present in 100 milliliters of water.
Given,
- 1 milliliter = 1,500,000 bacteria
- 100 milliliter = ?
Therefore, option E is correct.
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