The second one or the third one, im not completely sure thi
Answer:
All the options are true except option D.
Explanation:
Archaea are a group of prokaryotic organisms i.e. they lack a membrane bound nucleus. They are one of the the three domains of life (the other two being bacteria and eukarya). Archeans possess a cell wall like bacteria but it is not composed of peptidoglycan, like bacteria cell wall.
Archeans are generally known to be found in very severe environmental conditions, hence, they are referred to as extremophiles e.g Some are thermoacidophiles i.e. thrive in very hot and acidic environment while others are extreme halophiles i.e. thrive in salty regions. Archeans known as methanogens produce methane gas as a product of metabolism from carbon dioxide and hydrogen.
However, the domain archeae was only found to be in existence recently after the domain bacteria, hence, they are not considered to evolve before the domain bacteria.
The difference between them is that an ecosystem is a community of organisms and their environment. And a biosphere is all the living organisms.
The best and most correct answer among the choices provided by your question is the third choice or letter C.
Plant cells are usually box-shaped, while animal cells tend to be irregularly shaped because u<span>nlike plant cells, animal cells lack a cell wall. </span>
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