Ecosystem

May 20, 2016

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.…

January 4, 2016

Functions of Biodiversity

Humans cannot exist without biodiversity as we use it directly and indirectly in a number of ways. Direct use includes things like food, fibres, medicines and biological control, whilst indirect uses includes ecosystem services such as atmospheric regulation, nutrient cycling…

June 27, 2015

Biomass Productivity

The rate of generation of biomass in an ecosystem is called Productivity, which is expressed in units of mass per unit surface (or volume) per unit time. Productivity of autotrophs such as plants is called primary productivity, while that of…

June 27, 2015

Niche, Food Chains and Foodweb

Each organism has its own niche—its position or function in a community. Because every species occupies a niche, it's going to have an effect on all the other organisms. These connections are shown in the food chain. A food chain…