Species become endangered due to both natural and anthropogenic causes. Since man has no control over natural causes, we should consider anthropogenic causes only. Anthropological causes may be classified into two fundamental categories: Direct Causes and Indirect or underlying causes.
The Pollution of atmosphere leads to severe consequences on local, regional, national and international levels.
Onion is a bulb. It is a vegetable which is most widely cultivated species. Its genus is Allium. This genus…
An association of all the plants at a particular place is called a Plant Community and the association of all the animals at the same place is called an Animal Community. Both the plant and animal communities inhabit a particular place living completely merged and interacting among them. Members of a community not only interact with the members of other communities, they interact with the members of their community and with the physical environment around them, as well.
It is said that corporations can destroy the world’s intact forests. They have also the Power to help save them. They can make an impact by introducing zero- deforestation policies. These policies require suppliers to produce commodities such as timber, beef, palm oil, and fibres for paper in such a way that has a minimal impact on natural forests and climate. These can also introduce paper procurement policies that set ambitious targets to maximise the use of post-consumer recycled wood, pulp, paper and fibre in their products and ensure that any virgin fibre used is certified by a rigorous third-party certification system.
Through different means – natural and unnatural the process of keeping in a limit the growth of population is called as Population Control. It is essential for the welfare of human families. This is the reason why its name has been changed to the Family Welfare.
The biosphere is itself a vast ecosystem which incorporates all the small ecosystems. But, the biosphere may have different types of physical conditions, communities of plants and animals, and climatic conditions in its different zones.
A population is a group of individuals (all members of a single species) who live together in the same habitat and are likely to interbreed. Each population has a unique physical distribution in time and space. It may contain individuals of different ages, and its size (density) is likely to change over time. It grows or shrinks according to the reproductive success of its members.
The process of preparing food for consumption with the use of heat is called as cooking. The art and science of cooking is called as cookery.
Book Review S. CHAND’S ENVIRONMENTAL EDUCATION CLASS XI BY DR. M. P. MISHRA PURPOSE OF THE BOOK This book on…
Singhara is known as the Water Caltrop in English. In Botany it is known as Trapa nutans. Its other two species are Trapa bicornis, and Trapa rossica. The later is an endangered species.
Humans have a complex relationship with animals. They use them for a variety of purposes. There are working animals, companion animals, animals used for scientific research, and animals used for food and byproducts.
