7.
C) Spinal column
8.
D) Moist
Bacteria have been found to be able to detoxify certain chemicals; perhaps there are more.
<h3>What is bacteria?</h3>
Bacteria are common, primarily free-living creatures with only occasionally one biological cell. Bacterium is the singular form. They account for a large chunk of the prokaryotic microbial kingdom. The bulk of the ecosystems on Earth are home to bacteria, which are typically a few micrometers long and were among the first life forms to emerge there.
Bacteria can be found in soil, water, acidic hot springs, radioactive waste, and the deep biosphere of the Earth's crust. Bacteria play a crucial role in several stages of the nutrition cycle by recycling nutrients like nitrogen from the atmosphere. The nutrient cycle includes the breakdown of dead bodies; microorganisms are in charge of the putrefaction stage of this process.
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The root word of Unicellular already tells you the answer. Uni means only one cell. So the answer is one cell.
