One of the mysteries of the English language finally explained.
A burrowing mollusc with a slender tusk-shaped shell, which is open at both ends and typically white, and a three-lobed foot.
- ‘The Scaphopoda are a distinctive group of molluscs commonly known as the ‘tusk shells’ because their shells are conical and slightly curved to the dorsal side, making the shells look like tiny tusks.’
- ‘The phylum Mollusca also ‘includes lesser known forms such as the chitons, tusk shells, and solenogasters, among others’.’
- ‘There are approximately 900 species of Scaphopoda, commonly called tusk shells.’
- ‘In bivalves, chitons, tusk shells and some snails, sperm and eggs are released into the water and fertilisation is external.’
- ‘The nervous system of mollusks varies greatly from group to group; the clams and tusk shells have very simple nervous systems, while the squids, octopuses and some other mollusks have concentrated complex nerve centers and eyes equivalent to vertebrates.’
Top tips for CV writingRead more
In this article we explore how to impress employers with a spot-on CV.