Answer:
the answer is A
Explanation:
just got done with that unit
The three domain system divides organisms into groups based on similarities in their ribosomal RNA. The three domains in the three domain system are the archaea, eukarya and the bacteria. The domains Archaea and bacteria are all prokaryotic microorganisms, or single-celled organisms whose cells have no nucleus. Domain Eukarya on the other hand has organisms whose cells have nucleus.
What is the rest of the question
P<span>ituitary hormones:
1. Act on breasts to induce milk production.
2. Make you sweat.
3. Can cause weight gain.
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The correct answer is D.
From the scientific research conducted so far, we know that in the early Earth's history the atmosphere lacked oxygen and was mostly filled with other gases like methane. The increase in oxygen levels happened when the plants started producing oxygen as a byproduct of the process of photosynthesis.
The research so far also shows that the RNA was present before the DNA and that the microspheres might have been essential to the development of life on Earth.