What belongs to a class of animals known as cephalopods which means head feet?

A cephalopod /ˈsɛfələpɒd/ is any member of the molluscan class Cephalopoda /sɛfəˈlɒpədə/ (Greek plural κεφαλόποδες, kephalópodes; "head-feet") such as a squid, octopus, cuttlefish, or nautilus. ... Fishers sometimes call cephalopods "inkfish", referring to their common ability to squirt ink.

1. Which animal belongs to the class of cephalopods?
2. What is a group of cephalopods called?
3. What is a head footed animal?
4. Why are cephalopods known as head footed?
5. What is a cephalopods foot divided into?
6. What are the 4 groups of cephalopods?
7. What does the word cephalopods mean?
8. Is an octopus a mollusk or a cephalopod?
9. What animal category is an octopus?
10. What term means head foot?
11. Why are cephalopods considered mollusks?
12. Are snails cephalopods?
13. Are cephalopods benthic?
14. Are octopi and squids related?
15. Do mollusks have a foot?

Which animal belongs to the class of cephalopods?

cephalopod, any member of the class Cephalopoda of the phylum Mollusca, a small group of highly advanced and organized, exclusively marine animals. The octopus, squid, cuttlefish, and chambered nautilus are familiar representatives.

What is a group of cephalopods called?

The cephalopods are a diverse class of mollusks (a group that also includes snails and bivalves) that emerged during an explosion of animal diversity in the oceans during the Cambrian period, over 500 million years ago (mya). Today, scientists divide the living cephalopods into three groups, called superorders.

What is a head footed animal?

Cephalopod means 'head-footed' – the arms and tentacles are derived from the head. Their closest relatives are snails, slugs, chitons and shellfish, collectively known as molluscs.

Why are cephalopods known as head footed?

All cephalopods are types of Mollusks. ... The name cephalopod, in Greek, means "head foot." This name was applied because the foot of the organism is around the head. But cephalopods lack a traditional foot, instead having between eight and ten tentacles attached to their heads.

What is a cephalopods foot divided into?

All cephalopods show the presence of a very well-developed nervous system along with eyes, as well as a closed circulatory system. The foot is lobed and developed into tentacles, and a funnel, which is used as their mode of locomotion. Suckers are present on the tentacles in octopi and squid.

What are the 4 groups of cephalopods?

The group of cephalopods includes such varied animals as octopus, cuttlefish, squid, and nautilus.

What does the word cephalopods mean?

: any of a class (Cephalopoda) of marine mollusks including the squids, cuttlefishes, and octopuses that move by expelling water from a tubular siphon under the head and that have a group of muscular usually sucker-bearing arms around the front of the head, highly developed eyes, and usually a sac containing ink which ...

Is an octopus a mollusk or a cephalopod?

octopus, plural octopuses or octopi, in general, any eight-armed cephalopod (octopod) mollusk of the order Octopoda. The true octopuses are members of the genus Octopus, a large group of widely distributed shallow-water cephalopods. (See cephalopod.)

What animal category is an octopus?

Octopuses (or octopi, if you prefer) are cephalopods, invertebrates that also include squid and cuttlefish. They have bulbous heads, large eyes, and eight very useful arms. “Cephalopod” is Greek for “head-foot,” which makes sense, since their limbs are attached directly to their head.

What term means head foot?

phrase. From head to foot means all over your body. [emphasis] Colin had been put into a bath and been scrubbed from head to foot. Synonyms: from top to toe, completely, all over, entirely More Synonyms of from head to foot.

Why are cephalopods considered mollusks?

The cephalopods appear to be very different from other mollusks, but physiologically they are similar. Cephalopods, like most mollusks, have a mantle, a mantle cavity, a radula, and a U-shaped digestive tract. Cephalopods have two kidneys and three hearts, which pump blue blood.

Are snails cephalopods?

Cephalopods are a group that includes exclusively marine molluscs. ... Cephalopods include squid, octopuses, cuttlefish, and chambered nautiluses while gastropods include snails, conchs, abalones, whelks, sea slugs, and garden slugs.

Are cephalopods benthic?

The cephalopods are the most advanced mollusks and include the octopus, squid, and cuttlefish. Of these, only the octopus is really considered benthic.

Are octopi and squids related?

You wouldn't be alone if you thought the octopus and squid were the same animals. They are cousins—both part of the group cephalopoda—a group of marine mollusks that include squid, octopus, nautilus, and snails. ... There are nearly 300 species of squids and 300 species of octopus in the global ocean.

Do mollusks have a foot?

Mollusks have a muscular foot used for locomotion and anchorage that varies in shape and function, depending on the type of mollusk under study. In shelled mollusks, this foot is usually the same size as the opening of the shell. The foot is a retractable as well as an extendable organ.