Answer :

The growth of bacteria is held in check by the availability of food and the production of waste products.

The earth not covered with bacteria because some surfaces are unsuitable for the survival of these beings.

What is the concept of bacteria?

Bacteria are single-celled prokaryotic organisms that are included in the Archaea and Bacteria Domain. Bacteria are fairly simple organisms and belong, according to Whittaker's classification of five kingdoms, to Kingdom Monera.

Bacteria are single-celled microorganisms that have a membrane and cytoplasm, but do not have a defined nucleus.

See more about bacterias at brainly.com/question/8008968

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