basic unit
Individual Species
group of species
Population
group of population
Community
community + environment
Ecosystem
group of ecosystem
Biomes
part of the earth wherein life is possible
Biosphere
Ecological Level of Organization
a community of organisms interacting with each other and with their environment.
ecosystem
ecosystem
Roy Clapham
fully defined ecosystem
Arthur Tansley
Living components
Biotic
Non-living components
Abiotic
TROPHIC LEVELS IN AN ECOSYSTEM
Producers
Consumers
Decomposers
produce food through photosynthesis
PRODUCERS
Autotrophs
Heterotrophs
Carniivores, Herbivores, Omnivores and Scavengers
Consumers
eat dead plants and animals to reduce them into simple forms of matter
Decomposers
Types of Energy Transfer
Simple pattern of food-energy transfer in an ecosystem
Food Chain
Food Web
__?__ cannot be created or destroyed, but it can be transferred or transformed from one form to another.
Energy
Ecological Relationships
both are benefited
Mutualism or symbiosis