Choose the correct option representing the organisms belonging to their respective classes.
- AAmphibia: Frog,Salamander,Bufo,Ichthyophis
- BReptiles: Lizard,Turtle,Hyla,Ichthyophis
- CBirds: Pigeon,Parrot,Balaenoptera,Flying fox
- DArthropods: Apis,Ancylostoma,Laccifer,Nereis
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$A$: In $Aves$ and $Mammals$, the heart is four-chambered.
$R$: In $Mammals$, the aortic arch curves to the left.
$R$: In $Mammals$, the aortic arch curves to the left.
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View SolutionWhich one of the following species correctly matches its two characteristics and phylum/class?
Species Two Characteristics Phylum/Class $A$. Ascaris $i$. Body segmented,$ii$. Males and females distinct Annelida $B$. Salamandra $i$. Tympanum represents ear,$ii$. External fertilization Amphibia $C$. Pteropus $i$. Skin possesses hair,$ii$. Oviparous Mammalia $D$. Obelia $i$. Cnidoblasts,$ii$. Organ-level organization Coelenterata
| Species | Two Characteristics | Phylum/Class |
|---|---|---|
| $A$. Ascaris | $i$. Body segmented,$ii$. Males and females distinct | Annelida |
| $B$. Salamandra | $i$. Tympanum represents ear,$ii$. External fertilization | Amphibia |
| $C$. Pteropus | $i$. Skin possesses hair,$ii$. Oviparous | Mammalia |
| $D$. Obelia | $i$. Cnidoblasts,$ii$. Organ-level organization | Coelenterata |
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View SolutionWhich one of the following pairs of animals is correctly matched with the kind of their body symmetry?
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View SolutionIn Mollusca, excretion occurs through $......$ and in Hemichordata, it occurs through $......$.
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View SolutionIn which phyla is radial symmetry observed?
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