ecosystem

All  |  A  |  B  |  C  |  D  |  E  |  F  |  G  |  H  |  I  |  J  |  K  |  L  |  M  |  N  |  O  |  P  |  Q  |  R  |  S  |  T  |  U  |  V  |  W  |  X  |  Y  |  Z

(noun) - a system formed by the interaction of all living things with each other and with the physical and chemical factors of the environment in which they live

Blue and yellow angelfish swimming over a coral reef.

Queen Angelfish swimming over a coral reef. Image courtesy of the National Park Service.