<span>Pokaryotes are single cell organisms. Anaerobic prokaryotes use oxygen to obtain energy.</span><span> They use oxygen to perform cellular respiration, so they perform anaerobic respiration.
</span>
<span>Archaea
and eubacteria are prokaryotic in nature. One of the differentiating
characteristics between them is that eubacteria have peptidolycan in their cell
walls.</span>
I would say different
Like you like different genders
An ecological niche is an organism's specific habitat in an ecosystem.
It is where it lives and feeds, etc.
