(engineering) A spiral cam, or a flat piece of metal of spirally curved outline, used for giving motion to, or changing the position of, another part, as the hammer tail of a striking clock. Snails cannot absorb colored pigments when eating paper or cardboard so their feces are also colored. Because they have no internal skeleton, octopi's bodies are very soft. Octopuses are very short-lived animals with a life span of one or two years. - specimen from the Mount Laurel Formation
4, 5. Then the octopus will Presence of a large, coiled exterior shell. Although they share some common points, snail mail and e-mail are tremendously different in many ways. Unlike nautilus and snails, the octopus and squid evolved to have bodies that dont require use of a hard shell for protection, which is due to other adaptations that they developed like the ability to camouflage, heightened intelligence, and strong, flexible arms. The Octopuses have a mantle, rounded head, rectangular pupils on their two eyes, eight arms, and come in a wide variety of colors while squids have two fins at the top of their mantle, a triangular head, circular pupils on their eyes, a rigid backbone-like structure called a pen, and a combination of arms and tentacles, which have hooks and suckers. Most snails have thousands of microscopic tooth-like structures located on a banded ribbon-like tongue called a radula. Slugs as a group are far from monophyletic; scientifically speaking "slug" is a term of convenience with little taxonomic significance. Some snail species are faster than some slug species, and some snails do not move at all they stay put at the bottom of the sea and feed on any plankton that may drift their way. Any of very many animals (either hermaphroditic or nonhermaphroditic), of the class Gastropoda, having a coiled shell. Considering their size, both have a pretty decent lifespan. The ancient Tyrian purple was made in this way as were other purple and blue dyes. 14 Feb 2023. light. The real difference is seen amongst the largest species. Difference Between Squid and Octopus The squid has a triangular head, eight arms in the rear, two extra long tentacles, a long body, and a bony plate called a pen thats a vestigial remnant of its mollusk shell.
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