Question -Describe the body structure of a snake and its movement. [3 MARKS]
Answer: : Body structure : 2Marks Movement : 1 Mark Snakes are vertebrates with a vertebral column. Its body is supported by a skeleton made up of vertebrae which run continuously from head to tail. As they do not have any limbs, snakes do not have appendicular skeleton. They have a long back bone and many interconnected muscles that help them to slither. They have muscles connecting the backbone, ribs and skin. Snakes move in grass, sand and water. Though the snakes do not have arms or legs, they can climb trees. Theymove in a loop-like, zig-zag manner. They cannot move in a straight line. They have difficulty in moving on very smooth surfaces.
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