grade 7 biology

Cyclostomata Chondrichthyes Osteichthyes Amphibia Reptilia Aves Mammali..

Laxity on the part of the officials in the enforcement of wild life protection acts is a major reason for the decreasing wild life of our countr..

="center"> 6 * 95 5. Milk and Meat ½ Cup 75 6 Nil 3.5 7.5 4.0 6.0 65 85 6. Fat and Sugar 10 10 Nil 10 Nil Nil 10.0 Nil 90 ..

The tarsal bones are seven in number and are collectively known as tarsus. They are short bones made up of cancellous bone tissue, with a covering of compact tissue. These bones support the weight of the body while standin..

All the genes located on a particular chromosome, form a linkage group. Since the genes present on a particular chromosome have their alleles located on its homologous chromosome, genes on a pair of homologous chromosomes. Hence, the number of linkage groups corresponds to the number of haploid chr..

The radiant energy from the sun is the source of both light and heat energy to photosynthesis. Light energy is harvested by the pigments in order to carry out the breaking down of water molecule into hydrogen and oxygen. This is an energy-intensive process. Sunlight can be split into seven..

On the basis of nutrients food can be classified into seven different groups: Carbohydrates Proteins Fats Vitamins Minerals Roughage Water Table 3. Composition of some common foods Food Carbohydrate Fat Protein Bread (Chapathi) Rice(cooked) Banana Apple Egg Milk Butter Meat 52% 23% 20% 12..

>He maintained an accurate record of all the observations he made on the breeding experiments that he had designed. He pooled the data obtained from similar experiments for different characteristics and analysed the results by using statistical methods and applying the law of probability. He was ab..

>He maintained an accurate record of all the observations he made on the breeding experiments that he had designed. He pooled the data obtained from similar experiments for different characteristics and analysed the results by using statistical methods and applying the law of probability. He was ab..

. Each phylum or division has the next taxon called Class . The members of each class exhibit certain distinguishing characters that are unique only to them. In the same way, using comparable criteria of similarities and relationships, each class can be divided into orders , each order into familie..