Shells are considered biotic because they come from living things. Biotic describes something living or use to be living such as plants and animals. So shells are considered biotic because they come from a living organism.
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Hope that helped:)
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Heterozygous brown short= Bs
homozygous brown long=BL
B s
B [ ] ]
[_BB_]__Bs_]
[ ] ]
L [_BL_]_Ls_]
50% %50
A Lipid because it's a fresh osmosis they are always active
The endosymbiotic hypothesis concerns the origin of mitochondria and chloroplasts, two organelles contained within various eukaryotic cells. According to this hypothesis, these organelles originated as separate prokaryotic organisms that were taken inside a primordial eukaryotic cell.
Answer:
it´s <u><em>B</em></u> the answer is B
Explanation:
thats just the answer i think not too sure really but feel free to correct me is you like my dude.