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The body of a starfish (phylum:echinoderm) has nerves and tissues, while a sponge (porifera) does not. Sponges do not have any appendages, hence they are not motile. Neither sea stars nor sponges have a brain, and the sea stars nervous system is quite simple. Sea stars also have digestive organs, tube feet, and sesory cells that can detect light, gravity, and chemicals. Sponges do not. Thus, Porifera is the lowest phylum in the kingdom of Animalia.
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Does a starfish have any symmetry?
Starfish tend to have pentamerous radial symmetry. In other words, the typical starfish has five lines of symmetry throughout their body. Some species have more lines because they have more arms.
What is it called when an animal doesn't have a backbone?
Butterfly, worm, jellyfish, spider, sponge, starfish, and to much more to type.
What kind of bodyplan does a starfish have?
Starfish generally have five 'arms' which radiate outwards from a circular central body. For more information see the related link below.
What is the function of the highly folded body walls of a large sponge?
Sponges are filter feeders. This means that they pull water through their bodies and eat whatever they can filter out of it. The more folds and spaces that a sponge has, the more spaces there are for it to filter. This is the reason that sponge bodies are full of holes and spaces.
What is the comparative form of complicated?
more complicated the most complicated
Which animal is not a tetrapod?
Fish, and all invertebrates, as those have more than four legs or none at all. Only amphibians, reptiles, birds and mammals classify as tetrapods.
Is Spongebob Squarepants a sponge or a sea sponge?
they both are sponges! copy this address and paste it in the address bar and you will see the comparison! http://www.glitter-town.com/sponge-bob-myspace-glitter-graphics/sponge-bob-myspace-glitter-graphic-5.gif -spongebob maneac They both live in the ocean and can absorb water,otherwise nothing at all They both live in the ocean and can absorb water,otherwise nothing at all
About how many muscles do you have?
your body has 650 muscles to be correct and its more complicated yet more efficient than any machine ever built
Do starfish eat limpet?
Some starfish do indeed eat limpet. These starfish tend to be more aggressive feeders and will pry limpets from their rocks.
Which carries more germs a kitchen sponge or a dishcloth?
Kitchen sponge does because the sponge retains more water, which has germs and bacteria. Sponges soak everything up.
What looks more like a plant than an animal a sponge or a hydra?
Sponge
Which could soak up water more a paper towel or a sponge?
a sponge
