Fresh Water Ecosystems and Marine Ecosystems
The unit of biosphere having all the components producers, consumers and decomposers and the abiotic components together with physical factors in dynamic relationships is called as ecosystem.
oceans
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Communities dependent on animals: Cruelty and Hunting
community in India has traditionally been rearing sheep to earn their livelihood. Circus owners still keep many types of animals as performers and earn money through their shows.
Advantages and Disadvantages of a Nuclear Family
Introduction to Nuclear Family A nuclear family is a small family unit consisting of parents and their children. In modern…
Sleeping hours for dogs
Dogs do their duty and this they remain proud of. Sometimes you may have seen that you are walking on foot to somewhere and a dog too is walking gracefully behind you showing that he is walking behind his owner, though you don’t recognize the dog.
The Dharma of Ecology
Our beliefs and values, culture and heritage used to preserve and protect the environment through different social, religious and traditional principles
Important Processes of Reproduction
When both the ovaries are fully mature, they alternatively produce ova at the interval of 28 days. Release of ovum into the uterus through the fallopian tube is called as ovulation.
Factors Causing Population Change
There are four basic factors that cause population change in a country – Natality or the birth rate, Mortality or…
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.
Our Environment and its Components
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.
Impact of Human Population Growth
The gap between the rich and the poor has increased due to population growth. The rich people are exploiting more resources than poor people. Malnutrition is one of the most common effects of these problems. The poorest people in developing countries do not get adequate calories to develop their health properly.
Waste Management Technology in India Principles and Guidelines
Following principles and guidelines have been accepted for the control of different types of pollution- A. Prevention of entry into…
Water Pollution- Sources and Control
Mixing of different solid, liquid or gaseous substances and microorganisms into water, so as to alter its natural qualities is called as water pollution. According to the National Water Commission (1973), water gets polluted if it has not been of sufficiently high quality to be suitable for the highest uses people wish to make of it at present or in future.
