lesson on 10 grade biology

Lindemann (1942) put forth ten percent law for the transfer of energy from one trophic level to the nex..

Lindemann (1942) put forth ten percent law for the transfer of energy from one trophic level to the next. According to the law, during the transfer of organic food from one trophic level to the next, only about ten percent of the organic matter is stored as flesh. The remaining ..

- This is a representative list of topics covered in our Grade 10 Biology program - however all programs will be customized for the individual studen..

Due to bioaccumulative characters, these pollutants pass through the food chain and food web. While passing through the organisms, the concentration of pollutants gets increased. This is called bio magnifications. For e.g., 0.5 ppm DDT in grasses gets magnified to 2ppm in sheep. It may b..

Buffaloes are reared in large numbers in India. There are more than ten different breeds of buffaloes in India. Of them, the high milk yielding breeds a..

Buffaloes are reared in large numbers in India. There are more than ten different breeds of buffaloes in Indi..

are woody perennial plants that may reach a height of five to ten feet. Stem is often profusely branched giving a bushy appearance..

Animal Classification - The animal kingdom is classified into distinct groups based on the body organisation discussed above. The following scheme provides an outline classification of the animal kingdom into the ten major phyla: fig. 10.3 -Phylogenetic Tree of Animal Kingd..

It is represented by a brain, a spinal cord, cranial nerves, spinal nerves and the autonomic (sympathetic and parasympathetic) nerves. Brain and spinal cord together form the central nervous system. Brain consists of a pair of olfactory lobes, a pair of cerebral hemispheres, a pineal body, a pair o..

"Pyramid of energy is a graphic representation of the amount of energy trapped per unit time and area in different trophic level of a food chain with producers forming the base and the top carnivores at the tip". Pyramid of Energy in a Food Cha..