Primary succession starts with bare rock which is broken down by either lichen or moss to make soil while secondary succession starts with developed soil
<span>Prokaryotic organisms are always unicellular, but eukaryotic organisms are always multicellular.
the second option because pro are usually found in plants and euk in animals and humans
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Chloroplast and mitochondria. Because both organelles are roughly the same size and shape as bacteria, have their own double layer membrane, and mitochondria have dna, that they were engulfed by early cells and are now organelles.