Which combination of class and its description is correct?
Correct answer: A. Osteichthyes-a bony endoskeleton & gills covered by operculum
- A. Osteichthyes-a bony endoskeleton & gills covered by operculum
- B. Reptilia-lefi aortic arch & internal fertilization
- C. Nematoda-triploblastic & acoelomates
- D. Cephalopods-dorsal nerve cord & bilateral symmetry
Explanation
The correct combination of class and its description is Osteichthyes-a bony endoskeleton & gills covered by operculum.
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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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