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7.5 Frogs. CHAPTER 7 STRUCTURAL ORGANISATION IN ANIMALS. In the preceding chapters you came across a large variety of organisms, both unicellular and multicellular, of the animal kingdom. In unicellular organisms, all functions like digestion, respiration and reproduction are performed by a single cell.
frog representing vertebrates. 7.2 FROGS Frogs can live both on land and in freshwater and belong to class Amphibia of phylum Chordata. The most common species of frog found in India is Rana tigrina. They do not have constant body temperature i.e., their body temperature varies with the temperature of the environment. Such animals
6 days ago · Secure good marks by referring NCERT Class 11 Structural Organisation in Animals revision notes prepared by Vedantu experts. Download Structural Organisation in Animals CBSE Class 11 Biology Chapter 7 notes PDF for free.
The common Indian frog goes by the scientific name, Rana tigrina. Morphology of a Frog. The frog is a chordate, showing the characteristics of the Phylum Chordata. The body of the frog is divisible into head and trunk. Neck and tail are absent in a frog. The skin of the frog has mucus, which makes the skin moist, smooth and slippery.
Inspite of differences in structure and form of different animals, there are fundamental features common to various individuals in relation to the arrangement of cells, body symmetry, nature of coelom, patterns of digestive, circulatory or reproductive systems.
Frog is a poikilotherm, exhibits camouflage and undergoes aestivation and hibernation, how are all these benefits to it? Solution: During hibernation and aestivation, it sleeps and uses the stored energy in the body and emerges after the harsh environmental temperature has passed.
6 days ago · Frogs. Benefits of NCERT Solutions for Class 11 Biology Chapter 7: Structural Organisation in Animals. The solutions are curated by experts at Vedantu with detailed explanations. These solutions cover both the basic and advanced concepts of the chapter. All the solutions adhere to the curriculum.
Frogs are beneficial for mankind because they eat insects and protect the crop. Frogs maintain ecological balance because these serve as an important link of food chain and food web in the ecosystem. In some countries the muscular legs of frog are used as food by man.
Jun 24, 2022 · Frogs are beneficial for mankind, justify the statement. Ans: Frogs are beneficial for mankind as they can eat some crop pests and protect crop. Frogs maintain ecological balance as they are an important component of food chain and food web in the ecosystem.
In the “male frogs, ureter acts as urinogenital duct which runs backwards from kidneys and opens into the cloaca. It carries both urine and spermatozoa from kidney to the cloaca. In female, ureter conducts only urine from kidneys to the cloaca.
