Ganglion cell and the muller cell hope i helped :3
<span>Organisms that can produce their own nutrients are called autotrophs, while the organisms that cannot produce their own food are called heterotrophs. Heterotrophs obtain the materials from the food they eat while autotrophs make their own nutrients. Hope this answers the question.</span>
Definitely decompose dead organisms, otherwise there would be no oil for us.
I need more points. That's why I am awnsering this, sorry.