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Hypothesis: Plant cell has a fixed shape but not animal cell. Variables: MV : type of cell/plant cell and animal cell. RV : fixed shape of cell

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Analogous Organ:1. Organs similar in shape and function but their origin, basic plan and development are dissimilar. Example. Wings of butterfly bird and bat.2. Such similarities are because of convergent evolution for adaptation to a common condition.Example:FlyingHomologous Organ:1. Organs dissimilar in shape, size and function but their origin, basic plan and development are similar. Example: Fore limbs of frog, reptile, birds and mammals.2. Such differences are due to divergent evolution or adaptation for varied conditions.Example:Leaping in frog, crawling in reptiles, flying in birds, running and grasping in mammals.Top of Form-Organs having similar structure and origin but function are called Homolomous organ.Eg-fore limbs of human ,fore limbs of bats , fore limbs of reptile,fore limbs of bird,fore limbs of horse.ANALOGOUS ORGANS -Organs having different structure and origin but are similar in function is called Analogous Organ.Eg- wings of bird,wings of insect.If u hv NCERT book then the pictures r in page no.-152 and 153 fig.9.8 and 9.9Posted bypriyanka...(student), on 16/12/11Bottom of FormTop of Formhomologous organs have similar structure but different functions . It is called divergent evolution. example: forelimbs of human,bird,bats,reptileanalogous organs have different structure and similar function. it is called convergent evolution. eg: wings of a bird and butterfly. the function of their wings is the same but the structure is di

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