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Adaptation
Closely related to irritability is the capacity of living things for adaptation. You might have noticed that whenever you go outside in the bright sun after having been in a dark room for some time, you feel uncomfortable and the light too intense. However, within a short time you cease to feel so and become quite at home in the sun. You have adjusted or 'adapted' to the new environment. Establishment of this sort of harmony between the organism and its environment is called adaptation. The ability of the plants and animals to adapt to their surrounding enables them to survive the vagaries of the ever-changing environment. For instance, the fish like body of the whale is an adaptation for living in the sea water. The long beak of the nectar-sucking birds is an adaptation for sucking nectar from the flowers.
Figure: The patterns on the feathers of female bittern bird look like reeds. This hides her while she incubates her eggs.
Distinguish among epimorphic and morphallactic regeneration, giving single example of each. Explain innate immunity. Name and explain the category of barrier which includes mac
Vertebrate Eye - Adult Eye There are no main differences in the structure or composition of the eyes among different vertebrates. This should be clear to you from the diagram
EPIDIDYMIS - All seminiferous tubules form short straight tubules as tubuli recti, open into wider network of rete testis. From rete testis 15-20 fine convoluted tubules,
respiration in animals?
NSP NSP or dietary fibre is the name given to a group of materials found in the cell walls of plants which gives the plant its structure and form. Food hydrocolloids Fo
Laws Governing Ocular Movements Hering's Law of Equal Innervation states that equal and simultaneous innervation flows from the brain to yoke muscles in all binocular movement
Determine Food Sources of ascorbic acid (vitamin c)? Food sources of vitamin C include: Rich sources: Amla and guava. Good sources: Drumstick leaves, other leafy ve
Access through the crown Advantages : -Allow for better isolation with the rubber dam -Better esthetic anf functioning. -Good coronal seal between visits Limitations : -Proc
Q. Microorganisms on basis of oxygen requirement for growth? On basis of oxygen requirement for growth: - Obligate Aerobes: Require oxygen for growth and multiplication e.g
Closed Mitral Valvotomy : This has been 1-eplaced by balloon mitral valvotomy (BMV) in most centres. It is done in cases of either pure mitral stenosis or with .triv
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