v      Organismal ecology

Ø       Evolutionary adaptions that enable organisms to meet challenges in their habitat

v      Population ecology

Ø      Factors that affect population density and growth

v      Community ecology

Ø      Interaction between species and the effect on community  structure and organization

v      Ecosystem ecology

Ø          Abiotic  and community interactions

v      Population factors

Ø      Density

Ø      Structure

Ø      Size

Ø      Growth rate 

v      Helps understand the structure and dynamics of species

Ø      May aid in conservation to understand vulnerability of species

v      Different survivorship curves