| A | B |
| Biotic Factors | Living Things- Plants, Animals, Humans etc |
| Abiotic Factors | Non-Living things-Temp, water,Atmosphere |
| Autotrophs | Make their own food- Plants |
| Producers | Plants make their own food |
| Heterotrophs | Depend on Producers for food |
| Herbivore | Eat only Plants |
| Carnivore | Eat other ANIMALS |
| Omnivore | Eat both plants and animals |
| Decomposers | Break down organic matter in to simpler forms |
| Scavengers | They eat dead animals |
| Food Chain | Linear or Straight flow of energy |
| Food Web | Different Food chains linked together |
| Biome | Large community of plants and Animals that occupy distinct region, depends on the altitude,latitude and Rainfall |
| Ecosystem | community of Living organisms with Abiotic factors interacting as a system |
| Microhabitat | A habitat within a habitat that possess unique properties example-school yard, a log roting in forest |
| Biodiversity | Variety of Plants and Animals in any ecosystem |
| Niche | the Role an Organism plays in an ecosystem |
| Habitat | Environment where an Organism lives |
| Community | Interacting group of Various species in common location |
| Population | a set of Individuals that interbreed and live in the same place and same time ex-Elephant population |