Ecology

1. divided into

1.1. biomes

1.1.1. defined as

1.1.1.1. ecological associations occupying broad geographic land or water

1.1.2. influenced by

1.1.2.1. climate

1.1.3. divided into

1.1.3.1. terrestrial biomes

1.1.3.1.1. determined by

1.1.3.1.2. types include

1.1.3.2. aquatic biomes

1.1.3.2.1. defined by

1.1.3.2.2. divided into

1.1.4. composed of

1.1.4.1. wetlands

1.1.4.1.1. divided into

2. study of

2.1. interactions between the organism and environment

3. major factors

3.1. abiotic

3.2. biotic