global hearth organization for human development

Harmful results of Greenhouse Effect is global warming. While the green house gases enable life to exist, problems arise when the atmospheric concentrations of these gases increase. All climate changes up to the industrial revolution occurred naturally as very few gases were released by ..

Cloning of Organisms - Two or more individuals with identical genetic make up formed from one parent by asexual reproduction are called clones. For example, daughter plants produced by strawberry runners and whole plants produced by tissue culture are clones. Similarly, the individuals fo..

Female Reproductive System in Human - The human female reproductive system performs the following functions: a) Formation of eggs b) Reception of sperms during copulation c) Providing a conducive environment for fertilisation d) Providing shelter and nourishment to the growing e..

Human Reproductive System - The human beings are bisexual with two separate sexes - male and female. The individuals of the two sexes show distinctive features called the secondary sexual characteristics . Some of the male secondary sexual characteristics are facial hair, cracki..

The human beings are bisexual with two separate sexes - male and female. The individuals of the two sexes show distinctive features called the secondary sexual characteristics . Some of the male secondary sexual characteristics are facial hair, cracking of voice, etc. female secondary sex..

Closed Circulatory System in Humans - The closed circulatory system can be represented as follows. Diagram showing inter-relationship between artery, vein and capillary The closed blood vascular system is a very well developed system This is so because, a) The organisms..

) Antibodies consist of heavy and light chains and variable and constant portions. 11) Acquired immunity is of 2 types namely Active and passive immunity. 12) Cellular immunity refers to destruction of antigens by T-cells and humoral immunity refers to destruction of antigens by antibodies 13) T-ce..

An Overview of Natural Resource Management - Our natural resources are our assets whose prudent and sustainable use is necessary for the well being of humans and other living other organisms. Unfortunately, the continuous and ever increasing demand for basic items of survival an..

Introduction - One of the primary objectives of agriculture is to produce food. In the entire history of agriculture, food production has remained a prime objective. Human food needs have undergone many qualitative and quantitative modifications in the last 50 - 100 years. Mainly, the qua..

. Plant respiration and the decomposition of organic matter release more than 10 times the CO 2 released by human activities; but these releases have generally been in balance during the centuries leading up to the industrial revolution with carbon dioxide absorbed by terrestria..