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What are the predators of sandollarsandollars?
Sea Snails and Starfish
What is water vascular system and its general structure and function?
The water vascular system is a hydraulic system used by echinoderms, such as starfish and sea urchins, for locomotion, food and waste transportation, and respiration.
Why are starfish in the echindoerm?
If you look at an echinoderm such as a sea urchin or a sand dollar, you will see that the shell is covered in a pattern (of ambulacral and interambulacral areas) with 5 fold symmetry. A starfish has 5 arms and if you imagine a starfish folding its arms up and over its back until the tips meet, then you will see it begins to resemble a sea urchin, the two are clearly related and have a common ancient ancestor.
What word describes the correct classification of a starfish?
Starfish are echinoderms of the class asteroidea. Starfish are among the most familiar of marine animals and possess a number of widely known traits,such as regeneration and feeding on mussels. Starfish possess a wide diversity of body forms and feeding methods.
How do sea stars use oxygen?
That's a great question. Around here, they are called starfish and scientists call classify them as echinoderms not fish. There's a great wikipedia site on sea stars (super cool pictures): http://en.wikipedia.org/wiki/Starfish but it doesn't answer your question. This website states they breathe throught their feet: http://www.conservapedia.com/Starfish Interestingly, they have no brain.
Is a starfish in the water or outside of it?
in the sea
Environment of a starfish?
bottom of sea/ocean in water
What is the function of the sieve plate on a starfish?
the sieve plate is a filter for the water that enters the "Water Vascular System" in Echinoderms.
What kind of water do you put spiny starfish in?
we put it in the sea water so that they can breathe
Where are starfishs habitat?
a starfish's habbitat is at the bottom of the sea in rocky areas
Is a starfish a benthic organism?
Yes -- an organism is benthic if it lives on the bottom of a sea or lake. Starfish, or sea stars, tend to reside at the bottom of bodies of salt or brackish water
Can a starfish survive in sea salt water?
Yes because it already lives there .
Do star fish live in lakes?
Starfish live in the sea. They need salty water.
Do starfish get there food on land or in the sea?
in the sea....starfish don't live on land.(:
Why do starfish live in saltwater only?
They are not fish despite their name starfish. Starfish are often called sea stars and live only in salt water. Sea water, instead of blood, is actually used to pump nutrients through their bodies via a salt water vascular system. Since they must use salt water to pump nutrients throughout their bodies, they have to live in salt water.
How do you get drinking water from sea water using natural materials?
What material can be used to filter sea water
Can you keep a starfish in a small container with out other fish?
If you wish to keep a starfish alive for any length of time you will need to set up a "Marine Aquarium" complete with properly prepared sea water , a protein skimmer, heater, filter, lights, ozoniser etc etc. The minimum sized tank you would need to keep a 3" starfish is around 10 gallons.
