I think it would be crust
Answer:
They have homologous structures because they have a common ancestor.
Carnivores, they eat other animals to obtain their food.
Answer:
The correct answer will be option C- aggressive behavior is displayed to establish hierarchy without violence.
Explanation:
Aggressive behavior is a behavior which is produced to eliminate the competition by the opponent by expressing it physically, emotionally or verbally. Aggression is widespread in the animal kingdom which could be could be predatory between two different species or among members of same species.
Species establishes itself by showing anger and injuring others through fight which helps in establishing themselves as powerful member usually and during mating season.
Thus, option C is the correct answer.
