Question

Which statement represent an abiotic environmental factor in an ecosystem?

Answer 1

Answer: The lake bottom is lined with rocks,

Explanation:

An ecosystem is a community of living beings where the living beings interact with their non-living physical environment. In an ecosystem the non-living physical environment includes the abiotic factors such as sunlight, water, soil, rocks and others.

The lake bottom is lined with rocks is the correct option this is because of the fact that rock is an abiotic or non-living factor.  

Answer 2

The lake bottom is lined with rocks because an abiotic is a non-living thing in an environment while biotic is a living thing in a environment