Answered

In which division of taxonomy are organisms initially broken down by whether or
not they have a backbone?
O species
O class
Oorder
O phylum



Answer :

GinnyAnswer

Final answer:

Phylum is where organisms are initially categorized based on having a backbone or not.


Explanation:

Phylum is the division in taxonomy where organisms are initially categorized based on whether or not they have a backbone. This classification occurs after the kingdom and before the class in the Linnaean system.

The backbone differentiation organizes organisms into vertebrates (with a backbone) and invertebrates (without a backbone).

For example, organisms in the chordate phylum include vertebrates like mammals and birds, while arthropods fall into another phylum as invertebrates.


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