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How do the tube feet of a starfish pull open the shells of mollusks?
Wiki User
∙ 16y ago
they are called suckers on the ends of the tube feet. they are controlled by the water-vascular system in echinoderms, such as starfish.
Wiki User
∙ 13y ago
Wiki User
∙ 16y agoPersistance. The clam has only one muscle holding its shell shut. This eventually tires under the starfishes ability to alternate legs - and then the gruesome slaughter ensues.
Wiki User
∙ 14y agoThey use their arms
Wiki User
∙ 12y agoThe suckers
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What is the function of the ambulacral groove?
The function of the ambulacral groove on a starfish is to open the shells of bivalves. It also hold the tubed feet of the starfish.
What does the starfish use its arms for?
A starfish uses its arms to pry open clam or oyster shells
The methods a starfish uses to obtain its food?
Most starfish eat mollusks, principally bivalves which they force open by seizing both halves of the shell with their tube feet and pulling the halves apart very slowly until the bivalve is exhausted.
How do octupuses eat?
Suction caps on tentacles/arms to grip and open the shells of crustaceans, powerfull beaks to break shells also.
Do starfish eat starfish?
Not really, mainly starfish prey prefer shelled animals such as oysters and clams. They would not eat starfish because to feed they tend to push open shells using their tube feet and extend their stomach out to engulf and digest food. Starfish have a rough surface and starfish prefer soft tissue as a food.
Do birds eat pebbles?
No, but many of them will drop mollusks ONTO rocks to break the shells open so they can eat the animal inside!
Why are bivalves the preferred food of starfish?
Probably because bivalves are tasty and nutritious (who doesn't like clams?) and their shells are easy for a starfish to pry open. They also like other echinoderms like urchins.
How do starfish stick to solid objects?
Starfish have little tube feet each with a sucker at the end,. They stick so hard they can pull clams open.
Adaptations for starfish?
Starfish have the ability to regenerate, and the ability to use sea water instead of blood in what passes for its circulator system. It also has hundreds of tube feet that help it walk and pry open shells, and the ability to put its stomach on the outside of its body to digest larger prey than could fit inside its body.
What part of the tube feet creates suction to open clams whenever the starfish feeds?
The suckers
How do mussels get their shells?
They get There shells when they are attaching to the host so in about 1-6 weeks you will see a sell and then they fall to the floor and start free living and looking for a Mate. Also add me on Xbox 360. WeakenedGem396.
How does a sea star open a bivalve such as a clam?
uses the hundreds of tube feet to grasp and pull the shells in opposite directions, which eventually open
