The Principal Sources and Approaches Used to Gather Ecological Evidence

Question

The principal sources and approaches used to gather ecological evidence include ______.
A) Observations, experiments, and mathematical models
B) Observations and experiments
C) Experiments
D) Mathematical models

Accepted Answer

The principal sources and approaches used to gather ecological evidence include observations, experiments, and mathematical models. Observations and experiments are used for collecting empirical data, while mathematical models are used for predicting ecological patterns and processes based on existing data. Therefore, option A is the most appropriate answer.