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Starfish

Also known as sea stars, these echinoderms are 2,000 species strong and found in seas and oceans all over the world. They can vary in size from less than half an inch to more than four feet across.

1,388 Questions

Why do star fish live in the ocean?

because starfish is suppose to live underwater to get some air

Do starfish eat grass?

No they do not,starfish only eat...... shelled creatures such as claims,mussels or hermit crabs.

What eats a sea fan?

flamingos,tounge snails,white frilly sea slugs

What is the starfishes country of origin?

there are many species of starfishes, and they are found all over the world.

Is a starfish an animal that stays fixed in one place?

The answer is no. Starfish have hundreds of little 'feet' on their undersides that they use to crawl around, albeit slowly.

How many points does a starfish have?

A starfish has a total of five points

Where can one purchase a starfish pendant?

There are many places one can go to purchase starfish pendants. One can first visit their local jewelry stores or the jewelery counter at their local department store such as Sears. Online options would be Amazon or even eBay.

What can you do to stop the starfish population?

Easy, put starfish killer into the place they are populated. You can get starfish killer at a bait shop

Starfish asexual or sexual?

The starfish is asexual- it's fetus grows off its limbs and when it grows mature enough; breaks off.

Compare and contrast how sea stars and sea urchins feed?

Sea stars favorite food are mussels, they grasp the mussel with their tube feet and pry it apart. They then eject their stomach into the open mussel and digest the soft mussel body. Once digested, they slurp it back up. Sea urchins are very different. They usually eat algae by grazing on rocks. They do this by way of a very complex jaw system called aristotles lantern. They are similar in that in both cases, the oral surface is on the bottom of the animal.

Do starfish help or harm the earth?

Starfish, or sea stars, play a crucial role in marine ecosystems, primarily as predators that help maintain the balance of species populations on coral reefs and in other habitats. By controlling the abundance of certain prey, such as mollusks, they contribute to the overall health of the ecosystem. However, in some cases, an overpopulation of certain starfish species, like the crown-of-thorns starfish, can lead to coral reef damage, indicating that their impact can be both beneficial and detrimental depending on the context. Overall, their presence is essential for ecological balance in their environments.

When a starfish pries open the shell of a clam or oyster the mollusk resists even of the shell opens slightly the starfish will get its meal how does this occur?

When a starfish pries open the shell of a clam or oyster, it uses its tube feet to exert pressure on the shell. The mollusk instinctively tries to close its shell to protect itself, but the starfish can exploit even a slight opening. Once the shell is slightly ajar, the starfish extends its stomach out of its body and into the clam or oyster, secreting enzymes to digest the soft tissue before absorbing the nutrients. This method allows the starfish to feed effectively despite the mollusk's resistance.

Do starfish have cephalization?

"Cephalization" means that the animal has a defined "head" region in which there is a lot of nervous tissue (such as the brain in humans). Sponges are not cephalized because they do not have defined head region nor do they have a central location for their nervous system. The nervous system in sponges is very loose because their cells generally work more individually as opposed to being commanded by a nervous system.

When you sit on a cushion what is the effect of your weight on the cushion?

When you sit on a cushion, your weight exerts a downward force due to gravity, compressing the cushion material beneath you. This compression causes the cushion to deform, distributing your weight over a larger surface area. The cushion's material then responds by providing resistance, which helps to support your body and maintain comfort. Ultimately, the interaction between your weight and the cushion's properties determines how well it absorbs and redistributes the force.

What part of the toob foot creates suction to open clams whenever the starfish needs?

The part of the tube foot that creates suction to open clams is the ampulla. When the starfish wants to open a clam, it contracts its muscles to force water into the ampulla, which then extends the tube foot and creates suction. This suction helps to pry open the shell of the clam, allowing the starfish to access its soft body for feeding. The coordinated action of the tube foot and the hydraulic system of the starfish enables this feeding behavior.

What is the topside of a starfish called?

The upper surface of the starfish is called the aboral. The lower surface is called the oral.