Introduction Cockroaches are insects that crawl on surfaces that are not exposed to sunlight. Most species of cockroaches are as big as a thumbnail. The most common cockroaches found in India are glossy, brownish-black in color. They also have a pair of wings and three pairs of legs used to crawl on surfaces. They have […]
Introduction The Classification of biodiversity is the shortened version of biological diversity and the successor of the term biotic diversity. It was first published after a symposium held in 1986. It means the sum of all the variety of life forms found on planet Earth. This term was coined to define the value assigned to
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Biodiversity and conservation: Endangered species, hotspots, extinction, Biology, Class 12, Ecology and Environment, NEETBiosphere reserve in straightforward terms is associate habitant space comprising each terrestrial and coastal ecosystems providing a pathway for property use. The park reserves square measure completely maintained by the state governments and square measure well recognized internationally. These square measures are majorly utilised for experimentation functions onto land and water. The upkeep of the
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Biodiversity and conservation: Endangered species, hotspots, extinction, Biology, Class 12, Ecology and Environment, NEETBiosphere reserves are locations designated by the government under UNESCO’s Man and the Biosphere (MAB) programme to encourage sustainable development and the conservation of animals, plants, and ecosystems. The biosphere supports life on the earth and provides vital conditions for life like climate, land, water, and air. Thus, it is crucial to reserve it. For
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Biodiversity and conservation: Endangered species, hotspots, extinction, Biology, Class 12, Ecology and Environment, NEETWhat exactly is biopiracy? The exploitation of natural resources is becoming more widespread around the world. Bio-piracy is one of the most serious environmental issues that has arisen in recent years. Biological piracy is the practise of commercially exploiting natural chemicals or genes, particularly by obtaining patents that restrict their future usage, while failing to
Class Amphibia is a subclass of the animal kingdom that includes all amphibians, which are animals that are capable of surviving both on land and in water. These are vertebrates that are typically not particularly huge in comparison to their surroundings. Amphibian is derived from the Greek phrase ‘amphibious,’ which literally means ‘living on two
A sudden rise or aggregation in the population of algae in freshwater or marine water systems is known as an algal bloom. The colouring in the water is mainly caused by the algae’s colours is a common indicator. Algae refers to a wide range of aquatic photosynthetic organisms, including both macroscopic multicellular creatures such as
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Biology, Class 12, Ecology and Environment, Ecosystem: Structure, function, productivity, energy flow, NEETWater resources refers to natural resources of water that are potentially useful as a source of water supply. About 97% of the water on the Earth is mainly salt water and only around 3% is fresh water; approximately around two thirds of this is frozen in glaciers and polar ice caps. The remaining unfrozen freshwater
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Biology, Class 12, Ecology and Environment, Ecosystem: Structure, function, productivity, energy flow, NEETIntroduction of Waste Disposal In developed countries, municipal liquid waste is channelled through sewage systems and treated as wastewater or sewage. This procedure removes most or all contaminants from wastewater before it enters groundwater aquifers or surface waters such as rivers, lakes, estuaries, and seas. (For more information on sewage systems and treatment, see wastewater
Biodiversity may be defined as the variety and richness in which life presents on the earth. It refers to the diversity in all species such as plants, animals and microorganisms. Since all species in an ecosystem are interrelated and dependent on one another, biodiversity has enormous value in the lives of all organisms, particularly for
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Biology, Class 12, Ecology and Environment, Ecosystem: Structure, function, productivity, energy flow, NEET