December 2023

Minerals and Rocks: Soil, Weathering of Rocks, Soil profile (O horizon, A horizon, B horizon, and C horizon)

Leave a Comment / ENVIROMENTAL SCIENCE /

Minerals are inorganic crystalline materials that exist naturally and have certain chemical and physical characteristics. A mineral or group of minerals together to form rocks. Only a small number of the more than 2000 minerals are required to identify the majority of rocks. Rocks and minerals serve as the solids’ building blocks. The soil type is determined by its structure, content, and texture.

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Lithosphere: Origin, composition, structure, Plate Tectonics, Mantel convection, Crust, and Mantle

Leave a Comment / ENVIROMENTAL SCIENCE /

The Greek terms lithos, which means “rocky,” and sphaeros, which means “sphere,” are the source of the term “lithosphere.”
There was no atmosphere to retain the heat as the earth cooled. The cold temperature of space caused the surface to cool quickly (much like the top of a coffee cup does when it is exposed to air). As a result, a layer of cool rock formed, which later hardened to form the crust. Oceanic and continental lithospheres were produced as a result of variations in magma and are distinguished by the presence of granite on continents and basalt in seas, respectively.

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Origin of life: Introduction, Abiogenesis, RNA World Hypothesis, Hydrothermal Vent Environments, Panspermia, Extremophiles and Early Adaptations, Astrobiology and Exoplanets

Leave a Comment / ENVIROMENTAL SCIENCE /

Astrobiology and Exoplanets: The investigation of the origins of life beyond Earth is referred to as astrobiology. When it comes to exoplanets and moons in our solar system and beyond, scientists investigate their potential habitability. The finding of organic compounds in space and the discovery of exoplanets in the habitable zone both advance our knowledge of the possibility of life existing elsewhere in the universe.

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Interconnectedness of Ecosystems: Introduction, Biotic and Abiotic Factors, Ecosystem Services, Global Connectivity, Challenges and Conservation

Leave a Comment / ENVIROMENTAL SCIENCE /

The intricate web of life on Earth is woven through the interconnectedness of ecosystems. Ecosystems, defined as dynamic communities of living organisms interacting with each other and their environment, play a crucial role in maintaining the planet’s health and balance. Understanding the interconnected nature of ecosystems is essential for postgraduate students studying various scientific disciplines, as it provides a holistic perspective on the functioning of our planet’s diverse environments.

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Interconnectedness of ecosystems: Biotic Interconnectedness, Abiotic Factors, Migration and Movement, Human Impact

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A key idea in ecology is the interconnectedness of ecosystems, which emphasises the complex web of interactions that exist between living things and their surroundings. Ecosystems are interrelated on many levels and form a delicate balance that supports life on Earth. They are not independent entities. The planet’s overall health and stability, as well as the health of specific ecosystems, depend on this interconnection.

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Population Growth and Survivorship Curves: Introduction, Population Growth, Logistic Growth, Type I Curve, Type II Curve, and Type III Curve

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Population growth, which examines variations in the total number of individuals within a given population over time, is a basic concept in ecology and demography. Sociology, ecology, public health, and other sciences all depend heavily on an understanding of population dynamics. When analysing and visualising patterns of survival within a population throughout its life cycle, survivorship curves are an extremely useful tool.

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Concept and limits of Biosphere: Concept, Components, Physical, Chemical and Biological Limits

Leave a Comment / ENVIROMENTAL SCIENCE /

The biosphere refers to the zone of Earth where life exists, encompassing all living organisms and their interactions with the physical environment. It includes various ecosystems, such as forests, oceans, deserts, and grasslands, and extends from the depths of the ocean to the highest mountains. The concept of the biosphere helps us understand the intricate web of life on Earth and the interconnectedness of living organisms with their surroundings.

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Origin and Evolution of Life: Abiotic Earth, Formation of Oceans, Origin of Life, Early Microbial Life, Oxygenation of the Atmosphere and Homo Sapiens

Leave a Comment / ENVIROMENTAL SCIENCE /

The evolution of life is an ongoing process, and the diversity of species continues to change over time through mechanisms such as natural selection, genetic mutation, and environmental pressures. The story of life on Earth is dynamic, and shaped by a multitude of factors, and our understanding of it continues to evolve with ongoing scientific research.

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