Why is what important? Please complete your question.
If raccoons could not move they would be unable to forage for food, escape from predators, find a safe den, mate with another raccoon of the opposite sex, etc.
Of course, cats will fight back if attacked by raccoons. Survival and self defense are natural instincts. However, raccoon attacks on cats is not a common occurrence.
Why and how eye is important for survival of life
No, a raccoon only has mediocre eyesight. However, they do have excellent senses of smell, hearing, taste and touch. These senses are much more important to the raccoon when foraging for food.
As with any organism, that organism has to be important to itself to ensure survival.
westies are important to survival because they can be pets and loving animals!
A ferret has no survival mechanisms.They have been domesticated so long and have lost any ability to survive on it's own and have no inherent fear of other animals A survival mechanism is anything that helps an organism elude capture by predators. If a ferret was in the back yard and was attacked by a raccoon, it would use it's sharp teeth to ward off the raccoon. More info on survival mechanisms can be found here: http://en.wikipedia.org/wiki/Survival_mechanism
Raccoons are no threat to the environment, they are an important part of it. Man is the intruder and may consider a raccoon as a threat to his environment.
meeko and flit (the raccoon and hummingbird)
Survival is important in the wild.
important of planarians
If you mean why is a giraffe's neck important to its survival, the answer is that it's needed to reach the leaves that a giraffe eats.