Environmental Issues POLLUTION Pollution is any undesirable change in physical, chemical or biological characteristics of air, land, water or soil. T…
Study Notes on Microbes in Human Welfare Microbes are the major components of biological systems on this earth. Microbes are present everywhere, in so…
Health could be defined as a state of complete physical, mental and social well-being. Health is affected by (i) genetic disorders : deficiencies with…
Reproductive health refers to healthy reproductive organs with normal functions. However, it has a broader perspective as it involves well-being in ot…
Nowadays with ever increasing population of the world enhancement of food production is a necessity. Animal husbandry It is the agricultural practice …
All flowering plants show sexual reproduction. The diversity of structures of the inflorescences, flowers and floral parts shows a range of adaptions.…
BIODIVERSITY In our biosphere immense diversity (or heterogenecity) exists not only at the species level but at all levels of biological organisation …
Ecology at the organismic level is essentially physiological ecology which tries to understand how different organisms are environments in terms of no…
Humans are sexually reproducing and viviparous organisms. Their reproductive events include formation of gametes (gametogenesis) , i.e. sperms in male…
An ecosystem can be visualised as a functional unit of nature, where living organisms interact among themselves and also with the surrounding physical…
