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All invertebrate means is lacking a spinal chord, so, there are many single-celled and many multi-celled invertebrates.

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16y ago
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12y ago

All animals that are made up of more than one cell are called multicellular organisms, therefore invertebrates, such as stick insects are multicellular.

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7y ago

multicellular

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13y ago

Vertebrates are multicellular.

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Q: Are invertebrates single celled or multiple celled organisms?
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Related questions

How are multiple celled organisms similar to single celled organisms?

They eat, they exrete, they respire, they reproduce and they die.


Is archaea single celled of multi celled?

Archaeabacteria are all unicellular organisms. (one, not multiple)


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There are no single-celled organisms large enough for you to actually see with your naked eye. All animals you can see are multiple cells.


What is one way that single-celled organisms are different from multi-celled organisms?

One way that single-celled organisms are different from multi-celled organisms is in their complexity. Single-celled organisms consist of just one cell, while multi-celled organisms are made up of multiple cells organized into specialized tissues, organs, and systems. This allows multi-celled organisms to perform more complex functions and have greater structural and functional diversity.


Is bacteria single or multicellular?

Usually Bacteria is unicellular, but in some cases multicellular.


Bacteria are single celled organisms?

yes bacteria is a single celled organisms.


Are bacteria invertebrates?

Only complex, multi-celled animals can be classified as vertebrate or invertebrate. Bacteria, being single-celled organisms are neither vertebrate nor invertebrate.


What is a group of single celled organisms?

what is the group of mainly single celled organisms called


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No. Tissues are aggregations of multiple cells, which do not occur in single-celled organisms.


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Amoebas are single celled organisms. They do not have any particular shape. Another group of single-celled organisms like amoebas are protists.


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Bacteria are single-celled organisms.


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