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What is the mollusks most specialized members?
the answer is cephalopods which means head-foot
What two features do cephalopods share with humans that other mollusks do not?
Cephalopods are a phylum of mollusks that include squids, octopi, the chambered nautilus, and cuttlefish. All cephalopods have tentacles, most are carnivores, and they are all mollusks. All mollusks have a radula, or toothy tongue, a mantle, or thin layer of tissue that covers the organs and makes the shell, and a muscular foot.
Does mollusks protect themselves?
Most of Mollusks protect themselves with help of shell . Shell is hard protective covering made up of CaCO3. Cephalopods are not protected by shell .
What is an octopus related to?
They are most related to other cephalopods like squid or cuttlefish. They are distantly related to other mollusks such as oysters or slugs.
What is the behavior of mollusks?
They may learn certain behaviors, but most behaviors such as eat and moving are inherited.
Which class of mollusk is the most complex?
cephalopods, as they have sensory organs closest to vertebrates.
Identify which type of circulatory system that a cephalopod develops?
Cephalopods, such as octopuses and squids, have a closed circulatory system. This system consists of a heart that pumps blood through a series of vessels for efficient distribution of oxygen and nutrients to tissues and organs.
What is an adaptation of a mollusk?
Some adaptations of mollusks include an operculum that most univalves have for protection, the radula of the moon snail that is used to drill through other shells to get their food, and the jet propulsion movement and ink sac of cephalopods to escape predators. - a jeark
Do barnacles have brains?
Some, such as octopii, possess a brain, but most mollusks just have concentrations of nerve cells in their body that serve as primitive brains, called ganglia (singular ganglion). To add to the previous answerer, Cephalopods (squids, chambered nautilus, octopi, cuttlefish) have a brain.
What is the most common example of cephalopods?
the octopus or a squid
What are two adaptations of a garden snail?
Some adaptations of mollusks include an operculum that most univalves have for protection, the radula of the moon snail that is used to drill through other shells to get their food, and the jet propulsion movement and ink sac of cephalopods to escape predators.
What are some phylum mollusca charateristics?
Mollusca is a phylum of invertebrates that typically have a soft body covered by a hard shell. They possess a muscular foot for movement, a visceral mass containing internal organs, and a mantle that secretes the shell. Most mollusks also have a radula, a rasping organ used for feeding.
