Respuesta :
When a biologist counts the number of zebras in a population each year and notices an increase in the zebra population, this would be an example "of observation"
The correct answer for above statement is:
observation
Explanation:
Observation is the act or method of accurately watching someone or something.
Observation is the active appropriation of information from a primary source. In living beings, observation engages the senses. In science, observation can also include the recording of data via the use of scientific instruments. The term may also refer to any data accumulated during the scientific action.