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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 or sea stars are echinoderms belonging to the class Asteroidea. The names "starfish" and "sea star" essentially refer to members of the Class Asteroidea. However, common usage frequently finds "starfish" and "sea star" also applied to ophiuroids which are correctly referred to as "brittle stars" or "basket stars".
How do sea stars use oxygen?
Sea stars use their water vascular system, which helps to circulate oxygen throughout their body. Oxygen is absorbed directly from the seawater through their tube feet and then transported to the various tissues and organs. This system allows sea stars to obtain the oxygen they need for respiration.
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 a filter catch salt from sea water?
No
