The conditions of a habitat remain changing abruptly and periodically. Abrupt changes in environment often do not give time to an organism to get ready and to face the challenges. As such the organism can survive only when it has sufficient abilities to tolerate these changes.
Natural resources constitute both living and non-living resources. Non-living resources are renewable and non-renewable.
Though there are two basic types of leaves of monocotyledonous and dicotyledonous plants, we observe immense diversities in their arrangements, sizes, and shapes.
Some leaves are very short, as short as they cannot be seen through naked eyes where as there are big broad leaves that can form many umbrellas for small children.
Adolescence remains a critical phase of life. Extra efforts are to be put in managing teens especially in a disturbed period like spread of a pandemic when we have to remain indoors during a lockdown.
Innumerable tribal people live in forests. Most of these are scheduled tribes. They depend on forests for their livelihood.
Sparrow or the House Sparrow taxonomically belongs to the family Passeridae. It is found in most parts of the world.
Land resources are used for a variety of purposes which may include organic agriculture, reforestation, water resource management and eco-tourism projects. In all these areas land use is needed to be sustainable.
Earlier women had to do most of the work in household. But, the trend is changing now. Both men and women have to do all the work now. The Inequality at the work place is vanishing now.
All biosphere ecosystems have well-organized functions, such as cycling nutrients through food chains, operating biogeochemical cycles, and maintaining the energy flow received by green plants through solar radiation.
Sex organs of plants are found inside flowers. A male reproductive organ is called as Androecium and a female sex organ is called as Gynoecium.
Ladybird is one uncommon compound word made by the union of two simple common words – Lady and Bird. But, the two simple words when joined together can produce strange effect.
