Environmental biology basic terms Complete Chapter in Urdu by DrHadi

in this lecture you will learn the following basic terms of Environmental biology
components, parts of the Environment
Biotic and abiotic components
species, Habitat and habitat destruction
population, community, Ecosystem, biodiversity and BIOSPHERE
PRODUCERS, CONSUMERS and DECOMPOSERS
Primary, secondary ,tertiary and Quaternary consumers
FOOD chain and FOOD WEB
Energy flow
Ecological pyramids