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Snails are grouped in what phylum?
They are mollusks part of the mollusca group.
What invertebrate group was the first to show cephalization?
The first invertebrate group to exhibit cephalization was likely the flatworms (phylum Platyhelminthes). Cephalization is the evolutionary process of concentration of sensory structures (such as eyes and other sense organs) and nervous tissues at the anterior end of an organism, forming a head region.
Do frog's use cephalization?
Yes, frogs exhibit bilateral symmetry. Cephalization is the concentration of nervous tissue at one end of an organism. The frog has this nervous tissue (the brain) at the anterior end of the body (the head.)
What segmentation does mollusca have?
Mollusca is segmented into three main classes: Gastropoda (snails and slugs), Bivalvia (clams and mussels), and Cephalopoda (squid, octopus, and nautilus). Each class has distinct characteristics and adaptations that make them unique within the phylum Mollusca.
What is the relationship between the degree of cephalization and the complexity of the animal?
Cephalization refers to the concentration of sensory and neural structures in the head region of an organism. Generally, animals with a higher degree of cephalization tend to exhibit more complex behaviors and cognitive abilities. This is because a concentrated nervous system in the head allows for more efficient processing of information and is often associated with higher levels of intelligence.
Do bivalves show cephalization of a clam?
No - class Bivalvia of phylum mollusca have no head examples are clams, oysters, and mussels
List the phyla that show cephalization?
The phyla that show cephalization include Chordata (which includes vertebrates), Arthropoda (including insects, crustaceans, and spiders), Annelida (segmented worms), and Mollusca (which includes snails, clams, and octopuses).
A concentration of sense organs and nerve cells in anterior end of the body known as?
Cephalization
Does a hydra have cephalization?
A hydra does not have cephalization.
Which phyla do not have cephalization?
Subregnum: ParazoaPhylum: PoriferaSubregnum: AgnotozoaSuperphylum: RadiataPhylum: BrachiopodaPhylum: BryozoaPhylum: DicyemidaPhylum: EntoproctaPhylum: Gastrotricha
Are Cnidarians in cephalization?
Cephalization means formation of a head. Cnidarians have no head, so no.
How do animals with cephalization respond differently to the environment than animals without cephalization?
Animals with cephalization respond more quickly and in more complex ways.
What is the phylum for oyster?
The phylum for oysters is Mollusca.
Do all mollusks have cephalization?
Yes. They have extensive cephalization. They have a brain and eyes.
Does the round worm have a cephalization?
they do not
What phylum is a clam?
There in the phylum Mollusca
What is the most active mollusca?
Phylum Mollusca
