Daphnia belongs to the class:
Correct answer: D. Crustacean
- A. Insecta
- B. Arachnida
- C. Myriapoda
- D. Crustacean
Explanation
Crustaceans form a large, diverse arthropod taxon which includes such animals as decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, amphipods and mantis shrimp. The crustacean group can be treated as a subphylum under the clade Mandibulata. A crustacean has the following features: • a segmented body with a hard exterior (known as an exoskeleton) • jointed limbs, each often with two branches (termed biramous) • two pairs of antennae. • gills.
This question appeared on the ETEA MDCAT 2008 paper, which you can sit online with every answer explained.
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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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