The authors sought to clarify higher-level relationships and divergence ... in numerous examples using both living and extinct organisms. Ecological opportunity permits a group to experience ...

It may be easy to assume then, that since parasites are generally inconspicuous, they play less important roles in community ecology than free-living organisms ... of trophic levels in a web ...

Anything that involves whole organisms and the living and non-living things ... and develop and manage sustainable communities. There are careers in ecology for people at every level – – students, ...

You will find ecology to be an exciting and rewarding career ... Here are some examples of the types of jobs available according to education level and type of employment organization.

The Sun is the original source of energy for almost all organisms on the Earth ... the feeding sequence are also referred to as trophic levels. Producers are trophic level 1; primary consumers ...