Analogy:
1. Biotic factor : Animals :: Abiotic factor : _____
2. Natural terrestrial ecosystem : Forest:: Artificial terrestrial ecosystem : _____
3. Primary Consumer : Goat, Cow :: Secondary Consumer : _____
4. Biodegradable waste: Leaves, Garden wastes:: Non-biodegradable waste: _____
5. Edaphic factor : Water in soil:: Physical factor : _____