Answer:
Mutation is important as the first step of evolution because it creates a new DNA sequence for a particular gene, creating a new allele.
Explanation:
The answer is
A
Behavior isolation is behaviors involved in mating which could also cause it to prevent mating
Organ, in biology, a group of tissues in a living organism that have been adapted to perform a specific function. In higher animals, organs are grouped into organ systems; e.g., the esophagus, stomach, and liver are organs of the digestive system.
Answer:
3. Pathology
4. HCN
Explanation:
Pathology is the study of the nature and causes of diseases.
