Well, biotic factors are living things in an ecosystem such as animals or insects. Abiotic factors are non living things in an ecosystem such as sunlight or temperature. I would say biotic factors would be more harmful since this includes bacteria or other diseases, not many abiotic factors would pose a great threat to the entire human species. Hope this helped.
Yes biotic means living or once living. it was living at one point so yes its biotic
Homogenous mixture, or a solution.
I’m sure the answer is early ancestor.
