Biology

Severe internal brain cell injury and inadequate mental developments are the main complications caused from the intake of insufficient iodine or lack of adequate iodine…

Marine ecosystem, the complex of living organisms in the ocean environment. The water of the sea is saline. In the saline water the sea there…

A river ecosystem consists of inter-related living & non-living parts. The river ecosystem provides us with free ecosystem services. For this reason, there is a…

Pond Ecosystems are the balance of fish, bacterias, and plants which together support each other. The mutual relation between the living organisms and non- living…

The forest eco-system of Bangladesh is more or less same in nature. But the organisms of different food chains are different in different places. A…

Due to cultivation, manure and irrigation the fertility of the land is increased. Paddy is the main plant of paddy field. Besides this there grow…

According to the environment, the ecosystem is divided into two parts, one Terrestrial Eco-system and the other one is Aquatic Eco-systems. The Environment of a…

We know that among the physiological processes of organisms, excretion is one of them. The animal excrete the nitrogenous waste products from the body through…

Green plants are the primary producers, which produce energy by using solar energy. Green plants hold solar energy as chemical energy from where it flows…

It is observed that plants accept inorganic substances and manufactures food by respiration the process of photosynthesis. A small portion of the food produced by…