Have you ever seen ecology before? I guess yes, but you may not have known you have seen that severally. The cockroaches living in between your cupboard and those friendly bees pollinating beautiful flowers in your garden are few example of ecological community interaction very close to you.
We are living in a very beautiful environment filled with living things of different kinds; these living things interact with one another and with their non-living components in the same environments, which means that if any one of these is altered for any reason, it will create imbalance in the natural environment. Learn more about ecology, the major type and importance of knowing your environment by following the link below.

http://www.jotscroll.com/forums/3/posts/142/ecology-definition-levels-of-organisation-ecological-problems.html