Question

find out in the past if there were some biotic and abiotic factors in the ecosystem you have selected. but now they are not found. if this is the situation, find out the reason for their diminution.

Answer 1

Due to evolution they are not existing now it is because they were unable to evolute according to the changed surroundings.

- Biotic means living matter including animals and plants.
- A-biotic factors include the non-living matter including soil, water and nutrients etc. Increasing population is one of the reasons they are diminished