Octopoda
Octopoda
Octopoda (pronounced: /ɒkˈtɒpədə/) is a taxonomic order within the class Cephalopoda, which includes some of the most intelligent and well-known invertebrates, the octopuses.
Etymology
The term "Octopoda" was first coined by English biologist William Elford Leach in 1818. It is derived from the Greek words "oktō", meaning "eight", and "pous", meaning "foot". This refers to the eight arms that are characteristic of members of this order.
Description
Members of the order Octopoda are characterized by their eight arms, usually bearing suction cups, a soft body, and the absence of an internal shell, a trait they share with other cephalopods. They are known for their intelligence, with the ability to learn through observation and solve complex problems.
Related Terms
- Cephalopoda: The class to which Octopoda belongs. It also includes squids, cuttlefish, and nautiluses.
- Mollusca: The phylum to which Octopoda belongs. It is one of the most diverse groups of invertebrates.
- Invertebrate: An animal without a backbone. Octopoda, like all molluscs, are invertebrates.
- Marine biology: The study of organisms in the ocean or other marine bodies of water. As octopuses are marine creatures, they are a subject of study in marine biology.
See Also
External links
- Medical encyclopedia article on Octopoda
- Wikipedia's article - Octopoda
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