Monday, January 17, 2011
LOCOMOTION IN ANIMALS
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Locomotion in animals is common, - organs which help in movement in common animals like - Mammals, insects, birds, fish, earthworm- Different kinds of movements, Movement in human beings- Muscles, joints, ligaments, tendons, cartilage joints in human body- different kinds of joints; Muscles work in pairs to produce movement , Difference between movement and lococmotion, movement in plants- phototropism, geotropism, hydrotropism- Positive and negative responses to the stimuli, Thigmotropism, Tropic and nastic movements, Movement of microscopic living things- Amoeba, paramecium, Euglena
Cranium - the part of skeleton that encloses the brain
Geotropism - movement of plant parts in response to force of gravity
Hydrotropism- movement of plant parts in response to moisture
Nastic movements- nondirectional plant movements in response to environmental stimuli
Phototropism- movement of plant parts in response to light
Skeleton - the hard framework that supports the body
Thigmotroprism- growth in response to touch
Tropic movements- directional plant movements in response to some environmental stimuli where direction of movement is determined by the direction of stimulus.
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