Answer:
Both environments
Step-by-step explanation:
Evolution: The theory has been first formulated by Charles Darwin in 1859. It is defined as the process through which organisms change with time as a result of changes in heritable behavioral or physical traits.
Four principles in evolution:
1. Variation
2. Inheritance
3. Selection
4. Time
There are three main types of evolution i.e, convergent, divergent, and parallel evolution.