The term lotic comes from Latin lotus meaning washing. It is a running water bodies such as streams and rivers. Lotic or flowing ecosystem is river channels and other related aquatic environments creek, brook, spring, or stream. They vary in size and shape. It includes small waterfalls to various big sized river water bodies. This … Read more
G. Evylen Hutchinson and Raymond Lindeman first discovered the ecological pyramid. They graphically presented the definite relationship between the various forms of organisms such as producers and consumers at different trophic levels and made the graphical presentation which looks like a pyramid. In this case, the producers make up the base and the successive level … Read more
Ecosystems are of two main types such as terrestrial ecosystem and aquatic ecosystem. In this case, terrestrial ecosystems constitute the land masses which cover about 28% of the surface of the Earth. Some notable examples of terrestrial ecosystems are tundra, desert, alpine regions, rainforest etc., while the aquatic ecosystems are found in water environment that … Read more
The place where living organisms live with their surrounding forms its environment. Both physical and biotic environment together forms environment. Soil, water, air, light, temperature, topography, biogenic salt, pH, humidity, pressure, etc. form physical environment, whereas the plants, animals, microorganisms, food, parasites, enemies, etc. form the biotic environment. Living organisms and environments are interdependent. With … Read more
Today, environmental pollution is a major problem which affects humans and other life forms. The earth is a vast ecosystem within it. Green plants are the primary producer in every ecosystem and constitute the functional components. They take carbon dioxide and release oxygen during the process of photosynthesis and maintain equilibrium in the atmosphere. There … Read more
The region of the earth in which all organisms live is the biosphere. The nonliving features of the environment are abiotic factors and the organisms in the environment are biotic factors. Populations and communities make up an ecosystem. The ecosystem is the base of the biosphere which influences the wellbeing of the entire earth system. … Read more