A careful study and examination is necessary to understand the nesting behaviour of birds. Nests can be and should be studied only after the migration of birds. A scientific observation and careful study of nests reveals the secrets of the nesting concepts of these little architects (birds).
What is the importance of DNA copying in reproduction?
Vast variability exists in the distribution or occurrence of different life forms in different habitats. The variability of life forms in a particular habitat is considered as the biodiversity of that habitat.
Most of us have seen owls in our surroundings. Owls are hard to be seen in natural settings because they usually remain active during nights only.
About 1000J radiant energy comes to the earth from the sun. Out of this, only 10% of the total energy is used up by green plants in the process of Photosynthesis. Remaining 990J of energy escapes away into the atmosphere. 10J of energy is stored in the form of chemical energy in starch and sugars.
Man is surrounded by various life forms, forces and conditions- both physical and biological. Sunlight, land, air and water form physical conditions whereas all the plants, animals, and microorganisms form biological conditions.
Bamboo can be said as the Green Gold to Indian Farmers as it provides vast varieties of benefits to them.
Rains in Nepal have always been responsible for floods in Bihar. Most of the rivers flowing through Bihar have their origins in Nepal. Since last three days Nepal is experiencing continuous rainfall. This is why villages in Bihar are being seriously flooded. What can be done?
Days have gone when students felt it very hard for them to have a friendly talk with their teachers. There were miles of hesitations between a students and teachers.
In the classroom set up many students were so shy and hesitant that they even did not lift up their hands to answer a question even when they knew it properly.
Environment may be defined as ‘Complete range of various sets of external conditions comprising- physical, biological, and for human beings- cultural, economic and political conditions; in which human beings and other life forms exist in continuous interactions among themselves.
In a human being the ingestion of food is brought about in mouth where it is crushed into fine pieces by teeth.
