
Postanal tail can be traced in
(a)Cobra
(b)Earthworm
(c)Scorpion
(d)Centipede
Answer
496.2k+ views
Hint: They are a species of highly venomous animals. Found predominantly in forests from India through Southeast Asia to the Philippines and Indonesia, it preys chiefly on other snakes.
Complete answer:
The postanal tail can be traced to cobra. The post-anal tail may be a posterior elongation of the body, extending beyond the anus. The tail contains skeletal elements and muscles, which give a source of locomotion in aquatic species. In few terrestrial vertebrates, the tail also aids with balance, courting, and signaling when danger is around. In humans and other apes, the post-anal tail is found throughout embryonic development but is vestigial as an adult. In some species, like humans, this feature is merely present during the embryonic stage.
Additional Information:
All chordates have a post-anal tail. A post-anal tail is an addition of the body parts that travel past the anal opening. The postanal tail is merely exceptional to vertebrates, the remainder of the instance here are invertebrates. The generic name and the specific epithet naja is a Latinisation of the Sanskrit word nāgá which means cobra. The Indian cobra is assessed under the Naja of the family Elapidae. The genus was firstly studied by Josephus Nicolaus Laurenti in 1768. Cobra venom generally includes neurotoxins active against the nervous system of prey—primarily small vertebrates and other snakes. Bites, particularly from larger species, are often fatal counting on the quantity of venom injected. Neurotoxins change the breathing, and however antivenin is effective, it must be administered as soon as possible after the bite.
So, the correct answer is option (a) ‘Cobra’.
Note: Cobra is also known as the spectacled cobra, Asian cobra, which is a species of the genus Naja. They are present mostly in India, Pakistan, Bangladesh, Sri Lanka, Nepal, and Bhutan. It varies from the king cobra which resides to the monotypic genus Ophiophagus. The Indian cobra is revered in Indian mythology and culture and is usually seen with snake charmers. It is currently preserved in India under the Indian Wildlife Protection Act (1972).
Complete answer:
The postanal tail can be traced to cobra. The post-anal tail may be a posterior elongation of the body, extending beyond the anus. The tail contains skeletal elements and muscles, which give a source of locomotion in aquatic species. In few terrestrial vertebrates, the tail also aids with balance, courting, and signaling when danger is around. In humans and other apes, the post-anal tail is found throughout embryonic development but is vestigial as an adult. In some species, like humans, this feature is merely present during the embryonic stage.
Additional Information:
All chordates have a post-anal tail. A post-anal tail is an addition of the body parts that travel past the anal opening. The postanal tail is merely exceptional to vertebrates, the remainder of the instance here are invertebrates. The generic name and the specific epithet naja is a Latinisation of the Sanskrit word nāgá which means cobra. The Indian cobra is assessed under the Naja of the family Elapidae. The genus was firstly studied by Josephus Nicolaus Laurenti in 1768. Cobra venom generally includes neurotoxins active against the nervous system of prey—primarily small vertebrates and other snakes. Bites, particularly from larger species, are often fatal counting on the quantity of venom injected. Neurotoxins change the breathing, and however antivenin is effective, it must be administered as soon as possible after the bite.
So, the correct answer is option (a) ‘Cobra’.
Note: Cobra is also known as the spectacled cobra, Asian cobra, which is a species of the genus Naja. They are present mostly in India, Pakistan, Bangladesh, Sri Lanka, Nepal, and Bhutan. It varies from the king cobra which resides to the monotypic genus Ophiophagus. The Indian cobra is revered in Indian mythology and culture and is usually seen with snake charmers. It is currently preserved in India under the Indian Wildlife Protection Act (1972).
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