Bacteria are single-celled microscopic organisms that cause disease themselves or by the toxins they produce. Many bacterial diseases can be successfully treated with antibiotics. Which is not an example of a bacterial infection

True.

Explanation: Bacteria such as vibro are releases toxins and collision. Bacteria are microscopic I'm not g. Guy. Cloustridum also act like the.

True

Explanation:

They constitute a large

domain of prokaryotic microorganisms . Typically a few micrometres

in length, bacteria have a number of shapes , ranging from spheres to

rods and spirals. Bacteria were among the first life forms to appear

on Earth, and are present in most of its habitats . Bacteria inhabit

soil, water, acidic hot springs , radioactive waste, and the deep

biosphere of the earth's crust. Bacteria also live in symbiotic and

parasitic relationships with plants and animals. Most bacteria have

not been characterised, and only about 27 percent of the bacterial

phyla have species that can be grown in the laboratory. The study

of bacteria is known as bacteriology , a branch of microbiology .

b. the carbon cycle ensures living things have a source of hydrogen

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