Well, Daddy Longlegs or the Grandfather Grey Beard is a Cellar Spider named as Pholcus taxonomically. It is a member of the family Pholcidae (C.L.Koch, 1850). It is an Aranchomorph spider that comes under the phylum Arthropoda.
Our natural resources are known to have some specific qualities of their own. These qualities are known as natural qualities. It is due to specific natural qualities that different natural resources have been useful to us and to the whole biosphere. But now, the condition has changed considerably.
Many ferns grow along north or west facing walls every year. Their spores might have been there in crevices during the dry season. Unless there is a supply of water from leaking pipe they complete their life cycle within the rainy season and pack up with the passing rains. They pass away and leave for us a lesson to remain happy and survive in hard conditions.
Book Review S. CHAND’S ENVIRONMENTAL EDUCATION CLASS XI BY DR. M. P. MISHRA PURPOSE OF THE BOOK This book on…
Plants and trees shed their leaves from time to time. This happens due to a number of reasons. From some plants and tree leaves continue falling throughout the year. At the same time new leaves continue developing to compensate their number.
Aadya a three years girl lives with her Nani, Nanoo, and Mom in a flat of a big apartment. Her mother is a Senior Secondary teacher and her father is a scientist in IIT, Mumbai.
Humans have a complex relationship with animals. They use them for a variety of purposes. There are working animals, companion animals, animals used for scientific research, and animals used for food and byproducts.
Man has been keeping animals and depending on them for his livelihood since the origin of civilization. Washermen have been depending on donkeys since long for carrying clothes.
The application of scientific knowledge for practical purposes, especially in industry, is called as technology.
Human activities of pollution are modifying the natural process of green house effect. The advent of the Industrial Revolution in the 1700s boosted up the activities of burning of fossil fuels like coal, oil and natural gas which released lots of heat absorbing gases into the atmosphere.
Determining male or female form of living organism through sexual reproduction is called as sex determination. Sex determination on a large scale is of two types- environmental, genetic and chromosome based.
