What role is played by Elephants in Ecosystem?

Elephants are the gardeners of our forests. An elephant eats abundant amounts of fruit. Some seeds may be defecated intact in a different area located at a distance. From this excreta, a new plant may sprout if conditions are right. In this way the elephants help in seed dispersal in faraway places. Elephants being an […]

Ecological Pyramids of Numbers, Biomass and Energy

An ecological pyramid shows the relationship of biomass, productivity or energy at different trophic levels. The primary producers are generally shown at the bottom and apex predators at the top. The pyramids are different for different ecosystems. There are three types of Ecological Pyramids as follows: Pyramid of numbers: This shows the number of individual […]

Difference between Food Chain and Food Web

Food chain refers to a linked feeding series in an ecosystem. A food chain illustrates the order in which a chain of organisms feed upon each other and the  sequence of organisms through which energy and materials are transferred, in the form of food, from one tropic level to another. The following graphics shows a […]

Ecological Niche and Habitat: Meaning, Difference, Narrow and Broad Niche

Ecological niche of an organism is the physical space occupied by it, its functional role in the community i.e. tropic position, its position in environment and the conditions of existence. Difference between Niche and Habitat A niche describes how an organism makes its living and responds to the distribution of resources and competitors. The ecological […]

What are autecology and synecology?

The study of the interactions between living things and their environments is known as ecology. In ecology, everything is connected to everything else and there is a constant interaction between organisms and their environment. Autecology and Synecology Autecology & Synecology are two main branches of ecology. Autecology is the study of individual organism or individual […]