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TYPES OF REGENERATION -
Reparative
Restorative
1. It is limited to healing of wounds or replacement of cells
It can replace the lost part of body or produce a
complete organism from fragment
2. It involves minor cell proliferation & migration
It involves cell reproduction and differentiation
3. It occurs in all animals
Mainly in lower anim als
eg. Repair of a cut
1. Starfish
Replacement of skin cells , intestinal cells , blood cells
2. Wall lizard
3. Salamender
EGG S OF FROG This egg is round & its diameter is of 1-2 mm. It is mesolecithal & has distinct animal pole & vegital pole. The nucleus is found in the centre of the anim
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why does an organism internal environment change
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DIGESTION OF FOOD MATERIALS Digestion, you know, involves the mixing of food, its movement through the digestive tract and chemical breakdown of the large ntolecules of food
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