Ecological Pyramid and its types Upsc

Ecological Pyramid The ecological pyramid is a graphical representation to show the relationship between various organisms at various trophic levels in an ecosystem. The concept of the ecological pyramid was first introduced by Charles Elton in 1927. The base of a pyramid is broad and its apex is narrow. The shape is the same for … Read more

Energy flow in ecosystem Upsc

Energy flow in an ecosystem Energy flow is the flow of energy through various living organisms within an ecosystem. Every organism can be organized as a producer and consumer. The plants are producers and their energy is consumed by primary consumers (goat, cow, deer etc) and the primary consumer is consumed by secondary or tertiary … Read more


Biosphere is part of earth where we exist. It consists of highly integrated and interacting zone comprises of atmosphere, hydrosphere and lithosphere. Biosphsre is absent in extremes of the north and south poles, highest mountains and deepest oceans. As it is hostile conditions as they do not support life.

UN Decade on Ecosystem Restoration

The UN General Assembly proclaimed 2021-30, as the UN Decade on Ecosystem Restoration. It calls for the protection and revival of ecosystems around the world for the benefit of nature, animals, and humans. Definition Ecosystem restoration is the process of assisting the recovery of a degraded, damaged ecosystem. The Basic principle behind this is protecting … Read more

Decomposers in African Rainforest

Decomposers in African Rainforest include termites, slugs, scorpions, worms, and fungi. These creatures thrive on the forest floor. The organic matter that falls from the trees onto the floor is broken down into nutrients by these creatures. Important of those are termites and leaf cutter ants. Between these termites are the more dominant decomposers.

Decomposers in Africa

Decomposers in Africa are bacteria, fungi, earthworms, and inserts. The termites are effective in devouring and decomposing dead grasses in the African savanna and also aerate the soils. Also, the most famous decomposer is African Dung Beetle(Neateuchus proboscideus) that feeds on animal dung. The primary decomposers are fungi and bacteria. Also, others are snails, slugs, … Read more

Are hyenas decomposers ? Facts about Hyenas

No, Hyenas are Scavengers. Hyenas are a special type of carnivore and it is a scavengers. Also, most hyenas are also hunters. Decomposers are the one that breaks down organic matter and make it available to the producers and complete the food cycle. Examples of decomposers are bacteria, fungi, and termites. Whereas Hyenas are Scavengers, … Read more

Savanna food web with Decomposers

Savanna food web with Decomposers

Food web in the savanna The savanna is known by grasses, small or dispersed trees with a wide range of communities of living beings that interact with each other to form a complex food web. The carnivores include lions, hyenas, leopards, etc. That feed on consumers (herbivores) such as impalas, castles, warthogs, etc. The producer … Read more

* * All the Notes in this blog, are referred from Tamil Nadu State Board Books and Samacheer Kalvi Books. Kindly check with the original Tamil Nadu state board books and Ncert Books.