I think you are right. B is the right answer.
Eukaryotic is the characteristic most likely describes a mushroom but not Thermus aquaticus.
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Mushroom belongs to which domain?</h3>
Any member of the eukaryotic group of organisms, which also includes the more well-known mushrooms and microbes like yeast and mold, is referred to as a fungus.
One of numerous thermophilic bacterial species that are a part of the Deinococcota phylum that can withstand high temperatures is Thermus aquaticus. Bacteria are classified as prokaryotes, which are unicellular life forms. Prokaryotes lack a membrane-bound nucleus and other internal components.
For more information regarding prokaryotes, visit:
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Answer:
1) Organisms in this level are either unicellular or colonial (Cellular level).
2) Organisms that live in a group called a colony (Colonial).
3) The work being divided up into specialized tasks (Division of labor).
4) A very long, contracting cell (Fiber).
5) A group of tissues working together as a unit (Organ).
6) A degree of organism complexity. Organisms at this level have their cells arranged into organs (Organ level).
7) The highest level of complexity of a living thing (Organism level).
8) The limiting of the function of a cell to a specific function muscle (Specialization).
9) A group of organs working together for a common purpose (System).
10) Organisms at this level have their cells arranged into systems (System level).
11) Cells working together to perform a particular task division of labor (Tissue).
12) Organisms at this level have their cells arranged into tissues (Tissue level).
I've checked all the options and I think that the right answer looks like this: Mollusks have highly developed olfactory receptors.