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| ===Notes for teachers=== | | ===Notes for teachers=== |
− | #Amphibians are the only vertebrates possessing body structure capable of adapting both in aquatic and terrestrial habitats | + | #'''Amphibians are the only vertebrates possessing body structure capable of adapting both in aquatic and terrestrial habitats''' |
− | #Their early life cycle is in aquatic medium and adulthood in terrestrial habitat | + | #'''Their early life cycle is in aquatic medium and adulthood in terrestrial habitat''' |
− | #Moist skin,hind limb longer than fore limb,four fingers in fore limb ,five fingers in hind limb, are their distinguishing features. | + | #'''Moist skin,hind limb longer than fore limb,four fingers in fore limb ,five fingers in hind limb, are their distinguishing features.''' |
− | #They exhibit metamorphosis | + | #'''They exhibit metamorphosis ''' |
− | #They have three chambered heart,steno thermal. | + | #'''They have three chambered heart,steno thermal.''' |
− | #They exhibit metamorphosis. | + | #'''They exhibit metamorphosis.''' |
− | #They are unisexual,both fertilization and foetus development are external | + | #'''They are unisexual,both fertilization and foetus development are external''' |
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| ===Activities=== | | ===Activities=== |