Many squirrels had made nests in upper portions of offices by depositing huge balls of wool like materials between the rows of files and old registers. Many times and many men spotted some or the other squirrel coming to the rows of files and registers placed there since many-many years. But since squirrels usually don’t destroy papers, as I think, nobody ever tried to disturb them.
Our environment today is facing a number of problems. All those problems are causing dangers to take shape against the existence of the whole biosphere of this planet. But who is behind all those problems? The answer is – M A N.
Different news agencies report the Supreme Court’s comment that no one can celebrate functions at the cost of lives of others.
Constructing a new infrastructure; expanding a residential area; building an industrial plant; increasing the capacity of an airport – are some typical examples of developments that can be carried out only if the competent planning authorities grant the authorization.
According to their physical make up, there are basically two types of animals- Vertebrates and invertebrates. Invertebrates are those animals that don’t have a vertebral column or backbone. On the other hand, Vertebrates are those animals who have a vertebral column or the back bone.
Biodiversity sources and also other sources supply raw materials to many important industries.
They have aesthetic value and an appeal for ecotourism, which supports the growth of the national economy. They are also potential sources of pharmaceuticals, other chemicals, agricultural materials, etc.
Pharmaceutical products of biodiversity origin offer important medicines to our healthcare systems and prepare a background for many social services. Besides these, biodiversity offers various ecosystem services as each of the numerous species of animals and plants depends on other animals or plants for survival, breeding, and development.
Most animals of the same kind have same body parts. But their body parts differ in size, shape, color and functions. They have different types of sense organs as well.
A population is a group of individuals (all members of a single species) who live together in the same habitat and are likely to interbreed. Each population has a unique physical distribution in time and space. It may contain individuals of different ages, and its size (density) is likely to change over time. It grows or shrinks according to the reproductive success of its members.
The ductless gland found on kidney is called as adrenal gland. Each kidney has an adrenal gland on it. This gland is also called as “Supra Renal Gland”. It has two parts- the upper- cortex and the lower- medulla.
The regular pattern of weather conditions of a particular place is called as climate of that place. This regular pattern of weather conditions is considerably disturbed by fluctuations in temperature. The disturbance in the pattern of weather conditions at the particular place may thus be called as Climate Change.
As environment is common heritage and property of all nations of the world, the science of environment should also combine relevant matter so as to promote the value and necessities of local, national and international co-operation in the prevention and solution of environmental problems across the globe.
Most of us have seen owls in our surroundings. Owls are hard to be seen in natural settings because they usually remain active during nights only.
