The population explosions of earlier and present days have already caused and are still causing serious impacts on the global environment. As for the biological environment, the human population has stressed most biological systems, comprising flora and fauna, as well as biological diversity.
The flow of nutrients in ecosystem takes place in cyclic pathways through food chains, food webs and bio-geo-chemical cycles. Food…
A forest is a highly complex and constantly changing environment. It is made up of a variety of living things like wildlife, trees, shrubs, wildflowers, ferns, mosses, lichens, fungi and microscopic soil organisms; and non-living things such as water, nutrients, rocks, sunlight and air. Trees are the biggest part of this complex community.
The term animal has its origin from the Latin word animalis which means one who has breath. This word is usually applied for the non-human members of the Kingdom Animalia in animal taxonomy. However, the closer relatives of humans like mammals (having mammary glands) have been included in this term.
Growth of human population, fast but unplanned industrialization and irresponsible behavior to environment are causing imbalances in the local, regional, national and global environment. These are causing not only local but global problems in the environment.
The biosphere is itself a vast ecosystem which incorporates all the small ecosystems. But, the biosphere may have different types of physical conditions, communities of plants and animals, and climatic conditions in its different zones.
New Technologies are developed for improving and increasing industrial production. Similarly, new projects are formulated for providing energy to those…
An incident of invasion by a living species into entirely new habitat thereby threatening the existence of native species is called as bioinvasion or Biological Invasion.
This word is usually applied for the non-human members of the Kingdom Animalia in animal taxonomy. However, the closer relatives of humans like mammals (having mammary glands) have been included in this term. Thus cows, bats, rats etc also are mammals.
The digested food is absorbed into the body from where it is distributed to all its cells.
The application of scientific knowledge for practical purposes, especially in industry, is called as technology.
In early society, girls were restricted from play. They were restricted inside homes. But, now it is considered that Play is fundamental to children’s happiness and well-being, and the evidence shows that it is also influential in their health and processes of future life developments.
