Trygon has
a) two - chambered heart
b) the males have claspers
c) presence of gill slits
d) All of the above
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all the above
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Trygon has two - chambered heart ,the males have claspers ,presence of gill slits.
Explanation:
Trygon is also called sting ray and belongs to
class- Chondrichthyes.
They have two-chambered heart, males have claspers and respiration is by exchange of gases with the water through gills.
Hence ,
option (d) All of the above is correct .
Project code #SPJ2
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