Answer:
The answer is autotrophs
Explanation:
During the early days of the Earths life there was no oxygen but there was plenty of CO2 which the autotrophs took and used as food while discarding the excess which was the oxygen.
Answer is b explanation is because it’s the only one I think makes sense
Answer - Five Different Processes of asexual reproduction.
1. Budding
2.Binary Fission
3.Fragmentation
4.Spore Formation
5.Vegetative Reproduction
Reasoning -
These are just a budding factor as a common asexually. Just like a hydra forms a second copy of self and once fully grown it will split from its primary carrier.
It is paramecia, euglenas, and mold. These are all unicellular, eukaryotic organisms.