From an evolutionary perspective, phobias are a result of learning, which suggests that humans and other animals that rapidly learn to fear certain threatening objects or situations would have a selective advantage over other members of the species.

Phobia is a result of associative learning that suggests human and other animals to learn fear in certain threatening objects or situations.

Explanation:

Phobia is a psychological condition that defines any kind of fear which will appear from certain type of objects and it scares intensely.

Several learning experiences creates fear when the particular person is expose to that condition.

These include some associative learning that is related with behavior.

This type of learning is usually based on stimuli which is generated through positive or negative consequences.

This type of learning which create phobia contain classical conditioning, Operant Conditioning, Cognitive social conditioning etc.

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects