Reproduction in Human Being
In human beings reproduction takes place through the activities of male and female reproductive organs. To understand this, it is essential to study the structure of male and female reproductive systems separately.
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Define conservation. Why do we need conservation?
Conservation of the environment implies the sustainable use and management of natural resources, including wildlife, water, air, and soils.
Plants that survive under hardships
Many ferns grow along north or west facing walls every year. Their spores might have been there in crevices during the dry season. Unless there is a supply of water from leaking pipe they complete their life cycle within the rainy season and pack up with the passing rains. They pass away and leave for us a lesson to remain happy and survive in hard conditions.
Two Winter Vegetables and their Health Benefits
Images of a number of vegetables start sliding one by one just as a slide show on the screen of the mind as we enter into the winter session of the yearly cycle. These vegetables are very important to us not alone for their taste value but for their medicinal and health value as well. Here is an introduction of two of these vegetables.
Respiration in Aquatic and Terrestrial Animals
Respiration is different in aquatic and terrestrial animals. Aquatic animals repire by means of gills and skin while terrestrial animals breathe in through lungs.
International Initiatives for Environment
A number of non-governmental organisations (NGOs) or non-governmental agencies have been playing their important roles in spreading Environmental Awareness across the globe and in developing policies for the protection of environment and sustainable development.
Integrated Forest Conservation- Public-Private Ownership
In the new strategy of the Forest Management, local public is allowed to be involved in conservation and management of forests with the government. This strategy is called as Integrated Forest Conservation and Management.
Grow Salai Trees for Health and Economic Growth
Salai tree or the Boswellia is the tree of economic and medicinal importance.
The Danger of Extinction of Ten Lac Species during this Century
These birds used to fly in and around our houses about some decades ago. But these birds are very rarely seen in our surroundings.
Flow of Nutrients in Ecosystem
The flow of nutrients in ecosystem takes place in cyclic pathways through food chains, food webs and bio-geo-chemical cycles. Food…
Peperomia pellucida- the medicinal herb
Peperomia pellucida is commonly known as shining bush plant and Pepper elder. It commonly grows in the wild in moist shady places. In Jharkhand it is found growing during rainy season at the banks of streams or near old walls.
How do Organisms Escape – Adverse Conditions ?
Abrupt changes in environment often do not give time to an organism to get ready and to face the challenges. As such the organism can survive only when it has sufficient abilities to tolerate these changes.
