Question

A tarsometatarsus is found in
a. fowl
b. varanus
c. frog
d. rabbit​

Answer 1

A tarsometatarsus is found in fowl.

Option: (a)

Explanation:  

• Tarsometatursus is the fusion of two bones of the lower limb or the hind limb.  

• In other chordates there are two distinct bones known as the tarsals and the metatarsal. But in case of aves or birds these two bones are fused.  

• This fusion can be distinctly seen in an x-ray. The fusion makes it easier to glide during flying. And since birds are not terrestrial creatures, they do not hamper any problem in flying.

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Answer 2

A tarsometatarsus is known to be found in fowls.

Explanation:

• Tarsometatarsus is a bone that's found in lower legs of birds and is formed by fusion of many bones and is analogous to the ankle and metatarsal bones of mammals.

• This fusion has occurred in various ways and can be seen throughout the entire bird evolution, especially in modern birds.

• The shape of this fusion of bones varies according to thy movement of species.

• The elongated metatarsus gives an additional advantage for running or take off in flight.

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