What type of phyla is an octopus?
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.
Why is the octopus kept in phylum Mollusca?
If you compare the two diagram photos, an octopus (also it’s closest comrade the squid) has all it takes to be classed as a mollusc, possessing metanephridia (aka kidney), radula (in form of chitinous tooth called beak), muscular feet and most importantly, a mantle and a lack of backbone unlike a fish which has a …
What genus do octopus belong to?
genus Octopus
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.)
Which phylum includes octopus and snails?
phylum Mollusca
The phylum Mollusca is the second-largest animal phylum, with over 100,000 species. The molluscs include many familiar animals, including clams, snails, slugs, and squid, as well as some less familiar animals, like tusk shells and chitons (Fig. 3.51 A).
What is the classification and description of octopus?
An octopus is classified under the phylum Mollusca and class Cephalopoda. They are invertebrate cephalopods with a high degree of intelligence and excellent visual acuity.
Why snail and octopus are classified under the same phylum?
Snails and octopus are classified under the phylum mollusca because of the following three common features: i. A mantle cavity in the dorsal part for respiration, excretion etc. ii.
Which of these class is phylum Mollusca?
Classes in Phylum Mollusca This phylum can be segregated into seven classes: Aplacophora, Monoplacophora, Polyplacophora, Bivalvia, Gastropoda, Cephalopoda, and Scaphopoda.
Are octopuses molluscs?
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.)
Which of the following belong to phylum Mollusca?
The animals belonging to the phylum Mollusca are apple snail, pearl oyster, devil fish, tusk shell, etc. Hence correct answer is option A.
What organisms make up phylum Mollusca?
What organisms make up phylum Mollusca? Squid and octopuses to snails, sea slugs, oysters, clams, and conches.
What are mollusks with two shells called?
Bivalve mollusks (e.g., clams, oysters, mussels, scallops) have an external covering that is a two-part hinged shell that contains a soft-bodied invertebrate.
What are the 8 classes of phylum Mollusca?
The Phylum Mollusca consist of 8 classes: 1) the Monoplacophora discovered in 1977; 2) the worm-like Aplacophora or solenogasters of the deep sea; 3) the also worm-like Caudofoveata; 4) the Polyplacophora, or chitons; 5) the Pelecypoda or bivalves; 6) the Gastropoda or snails; 7) the Scaphopoda, or tusk shells; and 8) …
What are the non-vascular plants?
The non-vascular plants include mosses, hornworts and liverworts, and some algae. They are generally small plants limited in size by poor transport methods for water, gases and other compounds.
Is algae a vascular or nonvascular plant?
Algae are a type of non-vascular plant. Non-vascular plants are plants without a vascular system consisting of xylem and phloem. Instead, they may possess simpler tissues that have specialized functions for the internal transport of water. Non-vascular plants include two distantly related groups:
Is hornwort a nonvascular plant?
hornwort, (division Anthocerotophyta), any of about 300 species of small nonvascular plants. Hornworts usually grow on damp soils or on rocks in tropical and warm temperate regions. The largest genus, Anthoceros, has a worldwide distribution. Dendroceros and Megaceros are mainly tropical genera….
Is Moss a vascular or nonvascular plant?
Moss is a nonvascular plant found worldwide. Moss is often one of the only plant types to colonize certain areas, including areas with poor soil. Moss typically grows in wet, damp areas. This is not always the case. Moss has colonized most environments, from the cold Artic to the dry desert.