A streamlined shape is a great help in moving easily through water. Today John Barlee shows how fishes swim and how some other animals that move in water are able to use their limbs as paddles.
(BBC recording)
(Repeated on Friday at 11.20 a.m.)
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A streamlined shape is a great help in moving easily through water. Today John Barlee shows how fishes swim and how some other animals that move in water are able to use their limbs as paddles.
(BBC recording)
(Repeated on Friday at 11.20 a.m.)