Forest – Fires in Uttarakhand and Himachal
Since October 1st to November 9th, a total of 92 incidents of forest-fires have been recorded that have burnt about 133.55 ha of forest in Uttarakhand.
Himachal Pradesh
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Plant Trees to Compensate Loss of Oxygen
The scarcity of oxygen and the need of producing more and more oxygen! We may think for sometime about it. But, anyone knows that life is not possible without it.
Amazing World of Animals
The term animal has its origin from the Latin word animalis which means one who has breath. This word is usually applied for the non-human members of the Kingdom Animalia in animal taxonomy. However, the closer relatives of humans like mammals (having mammary glands) have been included in this term.
Effect of climate change on development of plant roots
Roots of plants too, respond to the changes in climate.
How does Nutrition take place in Human Beings?
In a human being the ingestion of food is brought about in mouth where it is crushed into fine pieces by teeth.
Fern species that grow on old walls in
Ferns belong to Pteridophytes and grow on high altitudes in moist cold places. These don’t need any fertile soil. Since Ranchi or the most part of Jharkhand is located on high land its climate is rather different and somewhat similar to those area of mountains. The author reports here the two fern species that preferably grow in this region that too on old walls.
Breathing In and Breathing Out …
The bio-mechanical process of exchange of gases between an individual and his atmosphere is called as breathing.
Control and Coordination in Living Beings
It is now a general opinion that if we see something moving, it is alive.
Major atmospheric pollutants
Substances that cause pollution of air are called as air- pollutants or atmospheric pollutants. These are fine Primary Pollutants that contribute more than 90 percent of global air pollution. These fine pollutants are carbon monoxide (CO); Nitrogen oxides (NOx); Sulphur oxides (Sox) and particulates. These pollutants can be put into two broad categories A. Gaseous Pollutants, and B. Particulates.
Changing Trends in Government Schools
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.
Positive and Negative Interdependence among Organisms in Ecosystems
Interdependence between two species through which individuals of either one or both species benefit is called positive interdependence. The benefits to the individual of any species through this relationship may be continuous or transitory, obligate or facultative. Both partners in this type of relationship may be in close contact; one may be inside some specific area or attached to the surface of the other’s body. Positive interdependence is divided into three major types: mutualism, Commensalism, and proto-cooperation.
