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What is the function of the central disk on the starfish?
The function of the central disk on the starfish is to regrow an appendage if one is cut off. It is where the arms of the starfish originate.
What is the central region of a starfish?
The central region, more commonly known as the Central Disk, is the middle of the starfish where the rays start to grow. The Central Disk also contains the pyloric stomach, the anus, the Madreporite, and the stone canalwhich connects the Madreporite to the inner organs.
Where is the central disc on a starfish?
starfish has 5 tapering arms radiating from a central disc.
How does the number of spines in the central disk of a starfish compare with the number on a ray?
that's exact;y what my science hw asks...but i cant find it anywhere. sorry
What is starfish skin like?
On the surface of a starfish you will find spines used for protection as armor, dermal gills surrounded the spines, a central disk, madreporite, arms and an anus. Underneath tubed feet used for movement, mouth, ambulacral grooves, and its mouth.
What type of organism is the star fish?
A starfish is an invertebrate marine animal belonging to the group of echinoderms. They are characterized by their radial symmetry and multiple arms, typically five, extending from a central disk. Starfish are known for their ability to regenerate lost limbs.
How many arms does a starfish have?
The basket star has 5 branched articulate arms, which is why they look like they have so many appendages.
Do all starfish have the same amount of arms?
Starfishes, or sea stars, are members of the do-all-starfishes-or-sea-stars-have-five-armsAsteroidea. Their bodies consist of a central disk from which radiate from five to more than twenty arms or rays
Do starfish have feelings too?
Most likely not. Starfish do not have a brain or central nervous system, and instead have a ganglia.
What happends if star fish arms break off?
If a starfish's arms break off, they have the ability to regenerate lost arms as long as part of the central disk remains intact. Each severed arm can also potentially regenerate into a new starfish if conditions are right. This ability to regenerate is essential for the survival and reproduction of starfish.
When a startfishare capable of growing a new starfish from a single arm if it is bitten off by a fish or pulled off by force. This type of asexual reproduction is called?
This type of asexual reproduction is called regeneration. In regeneration, an organism can regrow lost body parts, and in the case of starfish, a single arm can develop into a new individual if it contains part of the central disk. This remarkable ability allows starfish to recover from injuries and can contribute to their population growth.
What is a starfish appearance?
A starfish is a marine animal (echinoderm) that has five or more arms, so it is shaped like a star. Because it is not a fish, some now refer to it as a sea star. It has a hard, craggy upper shell and hundreds of sticky "feet" on its bottom side that let it attach itself to rocks.
