State the main features used to place organisms into groups within the animal kingdom, limited to:

(a) The main groups of vertebrates:
- Mammals
- Birds
- Reptiles
- Amphibians
- Fish

(b) The main groups of arthropods:
- Myriapods
- Insects
- Arachnids
- Crustaceans



Answer :

Final answer:

Organisms in the animal kingdom are categorized based on features like body plan symmetry, developmental pathway characteristics, and the presence of differentiated tissues.


Explanation:

The main features used to place organisms into groups within the animal kingdom include body plan symmetry, developmental pathway characteristics, and presence of differentiated tissues. Vertebrates, a major group of animals with a backbone, are classified into classes based on traits like fish, amphibians, reptiles, birds, and mammals.


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