Tropical rain forest, e.g.
Else clues• Community of plant and animal life
• Complex ecologic community
• Controlled community
• Eco-community
• Ecological community
• Ecological formation
• Ecological region
• Ecological unit
• Ecosystem
• Grassland or rain forest
• Major ecological community
• Major geographic region
• Region of life
• Taiga or tundra, e.g.
• Tropical rain forest or desert
• Tundra or coral reef, e.g.
• Tundra or rain forest
• Tundra or wetland
• A major biotic community characterized by the dominant forms of plant life and the prevailing climate