Organisms
Organisms are all around us and in us! Every living thing is pretty much a different type of organism with lots of different cells in it! Hope this helps!
Would love brainliest if possible;)
Answer:
Without an oxygen atmosphere very few things could live on the early Earth. Anaerobic bacteria were probably the first living things on Earth. The early Earth had no oceans and was frequently hit with meteorites and asteroids.
Explanation: