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Invertebrates is the term for multicellular organisms that lack a backbone.

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Q: How do scientists classify living things without a backbone?
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Related questions

Which scientists was the first to classify living things?

Aristotle


Is a term used by scientists to classify all living things?

Biotic is a term that is used by science to classify living things.


Why do sciencetists classify living things?

Scientists classify living things because then it's easier to share information, study, & discuss these living things.


What is the smallest group scientists classify living things?

Np


How do scientists classify living things?

Binomial nomenclature.


Vertebrates and invertebrates?

a vertebrate is a living organism with a backbone and an invertebrate is a living organism without a backbone


How do scientists classify living things that do not fit into an existing category?

ugly


What is the smallest group into which scientists classify living things?

micro organisms


Why is it difficult for some scientists to classify some living organism?

gay


Why do scientist classify living things?

To be able to study all the living things in our universe, we need a way to group or classify them together. Scientists divided all things into living and non-living. Then they divided those (e.g. animal kindom and plant kingdom, then continued dividing them on how the items were seimilar or dissimilar).


What is the classification system known as that scientists use to classify living organisms?

Taxonomy


How Classify living things?

According to their common traits.The main division is into the 2 categories: vertebrates (with backbone) and invertebrates (without backbone).Vertebrates can be sub-divided into 5 groups: Fish, Reptiles, Amphibians, Birds and Mammals.Livings things are classified into:DomainKingdomPhylumClassOrderFamilyGenusSpecies