Consider the below given diagram of gastropod shell, identify the correct set of morphological terminologies :
1-spire angle, 2-sutural angle, 3-rib, 4-siphonal canal
Label 1: the angle at the apex formed by lines tangent to both sides of the spire, which is the spire angle.
Label 2: the angle between the suture line and the shell axis on an upper whorl, which is the sutural angle.
Label 3: the raised transverse ornament running across the body of the whorl, which is a rib.
Label 4: the narrow channel at the anterior (lower) end of the aperture through which the siphon projects, which is the siphonal canal; the columella is the internal axial pillar and is not the part marked.
Hence, 1-spire angle, 2-sutural angle, 3-rib, 4-siphonal canal.
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.................... is a client server application that identifies each host on the internet with a unique user-friendly name.
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