Reproductive system and it's functions
Answer:
When conducting research, scientists use the scientific method to collect measurable, empirical evidence in an experiment related to a hypothesis (often in the form of an if/then statement), the results aiming to support or contradict a theory.
Explanation:
The answer is it's combination of alleles for a specific one.
The roads might of had been build where an animal was living and there also might be pollution due to the cars.
