The NOAA estimates that 50% to 80% of earth's oxygen is produced from the ocean.
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The domain Archaea is comprised of unicellular, prokaryotic organisms.
<h3>Archaea</h3>
Archaea is a group of microscopic organisms that are unicellular, prokaryotic, and live in extreme environmental conditions.
Archaea are found in environments such as hydrothermal vents, hot springs, etc. An example includes the blue-green algae.
More on archaea can be found here: brainly.com/question/1475001
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Derived characteristics refers to those traits that have changed from ancestral form or function. The derived character, which cause K. monera to be divided into K. archeabacteria and K. eubacteria is that genetically and biochemically the two are different. The archeabacterial possess unusual lipid, which is not find in eubacteria or any other organism. And this give it the capacity to live in extreme environments.
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Muscles produce keratin so that hair can grow stronger. Sweat glands break down the food that is consumed. Muscles contract rapidly to produce heat on a cold day.
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