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All invertebrates except Porifera possess nervous system .

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10y ago

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What is the evolutionary order of invertebrate phyla?

The evolutionary order of invertebrate phyla are sponges, cniderians, and bilaterians. The origin of invertebrate phyla begin in the Precambrian times.


What is the zoological name of invertebrate?

There are many phyla of invertebrates. Please click on the related link below to see an article that lists the invertebrate phyla.


How is the invertebrate nervous system arranged?

There are differences within the different phyla (sub-order) of invertebra but they all differ from vertebrae in the lack of cerebialization, they lack one brain. Some phyla like mollusks have pair masses of neurons termed ganglia that handle different functions, like eating or movement.


What is the most successful invertebrate phyla?

phylum mollusca


Which invertebrate phyla was first to show cephalization?

Platyhelminthes


What are the order of the Gifts of the Phyla?

the order of the phyla are porifera,annelida Cnidaria,and Echinodermata and many more.


What led to to the increased function of the invertebrate nervous system?

yo mama is such a whale they needed to give her a brain to move


What are 2 phyla in the animal kingdom?

There are more than two phyla in the animal kingdom... There are many phyla in the animal kingdom. There are a few phyla of worms and other invertebrates and then you have the vertebrate ohyla. Unless that's what your asking? Did you want the invertebrate and vertebrate in general phyla? That's the only set of 2 things I can think of.


Where is a shrimp's brain?

A shrimp actually does not have a brain; being an invertebrate, it has a nervous system which gives commands to the rest of the nerves,


What taxonomic group do invertebrates belong to?

The only common groups for them would be the Doman Eukaryia and the kingdom Animalia, beyond that they are separated into a number of invertebrate phyla; those phyla being every single animal phyla except for Chordata.


Which characteristics are NOT present in all animal phyla?

Not all animal phyla possess a backbone or true tissues. Additionally, not all animal phyla exhibit bilateral symmetry or segmentation. Some phyla, like sponges, lack specialized organ systems, while others, like cnidarians, have a simple nerve net instead of a centralized nervous system.


What do all organisms within the phyla chordata posses?

All the Chordata have a brain at one end of and central nervous system within a back bone.