i recently learned this. well i answer all questions through short parables.
organisms are living things micro are things that can't be seen through the naked eye
for example, a dirty kitchen would have lots of bacteria, viruses, and germs. these are all slang words for microorganisms. when there is a dirty kitchen, microorganisms produce. when the microorganisms eat and eat, the dirt, they grow and grow and when they grow, they clone themselves, so they actually just clone themselves.
microbiologist
niche
niche
energy
restricted in habitat
I think it is privations
You could be thinking of evolution
IDK
They obsorb all the nutrients from dead orginisms
insect orginisms that dwell in the mud or soil.
an ecosyestem is an biological environment consisting of all the orginisms living in a perticular area
Acropora horrida, Zebrasoma flavascens and Stenopus hispidus.