grade 8 biology curriculum

1) The Indian Board for wild life (BWH) was established in 1952 to look after the country's wild life. 2) Since 1955, wild life week is observed every year to educate the people about the need to protect the environment. 3) Trade in rare and endangered species has been banned under the wild life p..

Adult Men Adult Women Children Boys Girls Food item Sedentary Moderate Work Heavy Work Sedentary Moderate Work Heavy Work 1 - 3 yrs 4 - 6 yrs 10 - 12 yrs 10 - 12 yrs Cereals 460 520 670 410 440 575 175 270 420 380 Pulses 40 5..

Vascular bundles are radial in arrangement. There are eight bundles each of xylem and phloem. Hence, the condition is described as polyarch. Xylem is described as exarc..

The skull is the bony framework of the head, arranged in two parts-the cranium which has eight bones and facial skeleton having fourteen bone..

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It is one of the branches of biology which deals with the formation and development of the embryo. The events from initiation of the flower buds to be full development of the embryo are generally considered under embryology. In the earlier stages of embryo development there is no fundamen..

Following are some of the diagnostic features of a young dicot stem * Presence of cuticle and trichomes. * Presence of stomata. * Presence of a hypodermis made up of collenchyma. * Presence of a wavy endodermis containing numerous starch grains. * Presence of a bundle cap above each v..

Types of Cell Division - Cell division is a method by which new cells are originated from pre-existing cells. The formation of daughter amoebae in amoeba, the development of sex cells and the growth of a young animal or plant into an adult, all involve cell multiplication. In order to multiply in n..

Cell division is a method by which new cells are originated from pre-existing cells. The formation of daughter amoebae in amoeba, the development of sex cells and the growth of a young animal or plant into an adult, all involve cell multiplication. In order to multiply in number, cells undergo cell..