The first living things on Earth, single-celled micro-organisms<span> or microbes lacking a cell nucleus or cell membrane known as prokaryotes, seem to have </span>first<span> appeared on </span>Earth<span> almost four billion years ago, just a few hundred million years after the formation of the </span>Earth<span> itself.</span>
<em>All cells have these four parts in common: a plasma membrane, cytoplasm, ribosomes, and DNA. But the main common feature that is most talked about it Cytoplasm and Ribosomes. Cytoplasm, the rest of the material of the cell within the plasma membrane, excluding the nucleoid region or nucleus, that consists of a fluid portion called the cytosol and the organelles and other particles suspended in it. Ribosomes, the organelles on which protein synthesis takes place.</em>
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10 chromosomes. After telophase and cytokinesis, the new daughter cells will each have 10 chromosomes, which is identical to the parental cell. Human cells have 23 pairs of chromosomes.
If you go on mc3.edu/admissions/applying-to-mccc/testing-and-assessment/assets/biology-placement-test.pdf page 11 it will tell you all the answers to your questions....
Answer:
Front the atmosphere that's from environment
