Answer
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Hint: Cloaca is defined as the pathway from which faeces and urine passes. It is also the pathway from where reproduction occurs. Cloacal aperture is the posterior most opening on the surface of cloaca . It is found mainly as vertebrates like fishes , reptiles ,amphibians.
These organisms have a single structure for doing three activities. Cloaca is a chamber in which digestive tract and urogenital passages.
Complete answer:
Rana :- it belongs to the kingdom amphibian. They are vertebrates so have cloacal aperture .Hence this option is correct.
Neries:- it belongs to kingdom Annelida . They are invertebrates so they do not have a cloacal aperture. Hence this option is not correct.
Rabbit:- it is an example of Mammalia which is a vertebrate but only monotreme Mammals possess cloaca . So this option goes wrong.
Pheretima :- it belongs to kingdom Annelida . They are invertebrates so they do not have a cloacal aperture. Hence this option is not correct.
Our required answer is A. Rana.
Note:
Cloaca is the posterior chamber of most fishes, non-mammalian tetrapods and monotreme mammals into the digestive tract and urogenital passages . Urinary bladder is also present in frogs. Frogs and toads that are amphibians are ureotelic. Their kidneys are mesonephric. Male lacks a copulatory organ.
These organisms have a single structure for doing three activities. Cloaca is a chamber in which digestive tract and urogenital passages.
Complete answer:
Rana :- it belongs to the kingdom amphibian. They are vertebrates so have cloacal aperture .Hence this option is correct.
Neries:- it belongs to kingdom Annelida . They are invertebrates so they do not have a cloacal aperture. Hence this option is not correct.
Rabbit:- it is an example of Mammalia which is a vertebrate but only monotreme Mammals possess cloaca . So this option goes wrong.
Pheretima :- it belongs to kingdom Annelida . They are invertebrates so they do not have a cloacal aperture. Hence this option is not correct.
Our required answer is A. Rana.
Note:
Cloaca is the posterior chamber of most fishes, non-mammalian tetrapods and monotreme mammals into the digestive tract and urogenital passages . Urinary bladder is also present in frogs. Frogs and toads that are amphibians are ureotelic. Their kidneys are mesonephric. Male lacks a copulatory organ.
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