How can scientists study ecology?

Ecology is the study of relation between the living creatures and their physical surroundings.

Explanation:

Scientists study ecology in three steps:

Observation: It is done for longer period of time by observing the changes in living creatures and its surroundings. Modelling: It is the part of creating the prototype of the subject in real life scenario, most of them use computer for this task. Experimentation: It involves the use of scientific procedures and chemical to taste the samples.