A light disturbance in an ecosystem could include (1 point) O filling in and paving over a lake for a parking lot.
O cutting down a forest for wood manufacturing.
O a volcanic eruption.
O a tree falling over from a thunderstorm.

Correct A). It is an answer to a scientific question and is based mostly on research

The theory of heredity was given by the Mendel, which explained the process of inheritance of the traits. He explained that there are two alleles for a single gene, each one of them is obtained from father and mother.

This theory of Mendel  was developed after several years of research and experiment, which answer that how the traits are passed from parents to offspring.

Hence, the correct answer would be ''it is an answer to a scientific question and is based mostly on research''.