Consider the following:

Indian squid

Octopus

Cuttlefish

Crab

Which of the above is/are cephalopods?

Question

Cephalopods belong to the class Cephalopoda in the phylum Mollusca. They are characterized by bilateral body symmetry, a prominent head, beak-like jaws, and a set of arms or tentacles. They are known for their advanced nervous systems and complex behaviors.
- Indian squid (Uroteuthis duvaucelii) is a cephalopod known for its rapid swimming and is found in warm waters. It has a complex nervous system and exhibits advanced behaviors.
- Octopus is a highly intelligent cephalopod with eight arms and is known for its ability to camouflage and problem-solving skills. It has a soft body and lacks a hard shell.
- Cuttlefish (Sepia officinalis) possess a unique internal shell called the cuttlebone, which helps in buoyancy control. They are also known for their ability to change color and texture for communication and camouflage.
Crabs are decapod crustaceans, which means they are part of the crustacean subphylum. Other decapod crustaceans include lobsters, crayfish, and shrimp. Crabs have a thick exoskeleton, five pairs of legs, and pincer claws on their frontmost pair of legs.

GKToday Admin · Accepted Answer

Only 1, 2 & 3

Cephalopods belong to the class Cephalopoda in the phylum Mollusca. They are characterized by bilateral body symmetry, a prominent head, beak-like jaws, and a set of arms or tentacles. They are known for their advanced nervous systems and complex behaviors.
- Indian squid (Uroteuthis duvaucelii) is a cephalopod known for its rapid swimming and is found in warm waters. It has a complex nervous system and exhibits advanced behaviors.
- Octopus is a highly intelligent cephalopod with eight arms and is known for its ability to camouflage and problem-solving skills. It has a soft body and lacks a hard shell.
- Cuttlefish (Sepia officinalis) possess a unique internal shell called the cuttlebone, which helps in buoyancy control. They are also known for their ability to change color and texture for communication and camouflage.
Crabs are decapod crustaceans, which means they are part of the crustacean subphylum. Other decapod crustaceans include lobsters, crayfish, and shrimp. Crabs have a thick exoskeleton, five pairs of legs, and pincer claws on their frontmost pair of legs.

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