Answer:
A villi.
Explanation:
Small intestines have finger-like extensions that basically increase the surface area for nutrients to attach and get transported inside the bloodstream or cells.
Microtubules are one of the cytoskeletal filament systems in eukaryotic cells. The microtubule cytoskeleton is involved in the transport of material within cells, carried out by motor proteins that move on the surface of the microtubule.
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Phenotype which means the visible characteristic or trait of an individual
Primary succession is much slower than secondary succession because it begins where there is no soil. It can take several hundred to several thousand years to produce fertile soil naturally. The first pioneer species to colonize the bare rock will probably be bacteria and lichens, which can live without the soil.
