Ecology

What role is played by Elephants in Ecosystem?

May 20, 2016

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...

Ecological Pyramids of Numbers, Biomass and Energy

January 11, 2016

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...

Difference between Food Chain and Food Web

January 11, 2016

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...

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

January 11, 2016

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...

Various Ecological Units: Species, Population, Community, Ecosystem, Biome, Ecosphere, Biosphere

January 11, 2016

There are several types of inter-related ecological units such as species, population, community, ecosystem, biome, ecosphere, biosphere etc. Many of these concepts suffer from inconsistencies and confusions over terminology. Organisms and Populations Theoretically, an organism should be smallest ecological unit. However, since all organisms have finite life...

Ecology, Biosphere, Ecosystem, Community and Population

June 27, 2015

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.  The best way for us to understand the various levels of ecology is...

What are autecology and synecology?

May 21, 2010

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...

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