What is Meristem? Meristem is a group of plant cells that remain in a continuous state of division. It is a tissue system in plants called meristematic tissue. The term meristem was proposed by Karl Nägeli from a Greek word ‘merizein’ which means ‘to divide’. The meristem composed of rapidly […]
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Major Threats to Biodiversity by Human Activities (Simple, Easy Ecology Lecture Notes)
‘It is that range of biodiversity that we must care for – the whole thing – rather than just one or two stars’ David Attenborough What are major threats to biodiversity? Major threats to biodiversity are: 1. Habitat destruction/Deforestation 2. Introduced and invasive species 3. Genetic pollution 4. Over […]
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Biodiversity: Introduction (Definition, Classification, Importance and Measurement of Biodiversity)
Look deep into nature, and then you will understand everything better’ Albert Einstein What is biodiversity? Biodiversity- definition: “variability among living organisms”. Biodiversity is the variety and variability of genus, species and ecosystem between and within. It is the number of different organisms & their relative frequency in an ecosystem. […]
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Why Biodiversity is Rich in Tropics?
Tropical Area Tropical region is the part of earth surrounding the equator. Exactly it cover the region between tropic of cancer and tropic of capricorn. Tropic of Cancer: 23.43º towards Northern Hemisphere Tropic of Capricorn: 23.43° towards Southern Hemisphere Tropical regions receive maximum sunlight over the year and the vegetation […]
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Enzyme Regulation Mechanisms: The Molecular Methods to Regulate Enzymes and Enzymatic Acitvity
What are enzymes? Ø All living organisms in the world should possess TWO fundamental properties Ø They are: (1). Must be able to self-replicate (2). Must be able to catalyze chemical reactions efficiently and selectively Ø Enzymes are the molecules which enables each living […]
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