Observe the bodies of the frog, duck and tortoise.
Answers
FROG:
The body of the frog is divisible into head and trunk. Neck and tail are absent in a frog. The skin of the frog has mucus, which makes the skin moist, smooth and slippery. ... The eyes of a frog have a nictitating membrane that gives protection when the frog is in water.
DUCK:
The overall body plan of ducks is elongated and broad, and the ducks are also relatively long-necked, albeit not as long-necked as the geese and swans. The body shape of diving ducks varies somewhat from this in being more rounded.
TORTOISE:
The shell is made up of two halves, the underneath known as the plastron and the top known as the carapace. Both parts are fused together at the sides by a “bridge”. The whole shell of the tortoise is made up of numerous small bones which are covered by separate plates of keratin called scutes.
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Answer:
Frog - The body of the frog is divisible into head and trunk. Neck and tail are absent in a frog. The skin of the frog has mucus, which makes the skin moist, smooth and slippery. The skin of the frog has the ability to absorb water.
Duck - The body shape of diving ducks varies somewhat from this in being more rounded. The bill is usually broad and contains serrated pectens, which are particularly well defined in the filter-feeding species. The scaled legs are strong and well developed, and generally set far back on the body, more so in the highly aquatic species. The wings are very strong and are generally short and pointed, and the flight of ducks requires fast continuous strokes, requiring in turn strong wing muscles.
Tortoise - The shell is made up of two halves, the underneath known as the plastron and the top known as the carapace. Both parts are fused together at the sides by a “bridge”. The whole shell of the tortoise is made up of numerous small bones which are covered by separate plates of keratin called scutes.
Explanation: