Which of the following is an example of a tetrapod?
Correct answer: D. Hummingbird
- A. Flesh fly
- B. Blue-ringed octopus
- C. Tarantula
- D. Hummingbird
Explanation
Tetrapods are a superclass of animals that include all four limbed vertebrates (backboned animals) constituting the classes Amphibia (amphibians), Reptilia (reptiles), Aves (birds), Mammalia (mammals), and their direct ancestors.In the question, "Octopus" belongs to invertebrate phylum of Mollusca while tarantula and "flesh fly" belong to invertebrates arthropods so the correct option is "humming bird" belonging to class aves of vertebrates.
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About Kingdom Animalia
Animals are multicellular, heterotrophic eukaryotes whose cells lack cell walls and chloroplasts, with specialised tissues in most groups. Coverage includes body symmetry, tissue layers, coelom, segmentation and levels of organisation, plus major phyla such as Porifera, Cnidaria, Platyhelminthes, Annelida, Arthropoda, Mollusca and Chordata.
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