What is the probable sequence in which the following clades of animals originated, from earliest to most recent?

1. tetrapods

2. vertebrates

3. deuterostomes

4. amniotes

5. bilaterians

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#Question id: 19641

#XL - P Chemistry

A miscible mixture of benzene and chloroform can be separated by:

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#Question id: 1067

#XL - T Zoology

The best known chronic infection involves

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#Question id: 10171

#XL - R Botany

Quantum flux, or photon flux density (PFD), is the number of incident quanta (singular quantum) striking the leaf, expressed in

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#Question id: 1020

#XL - T Zoology

HIV/AIDS can be categorized as a new or emerging infectious disease. By putting it into this category, we are effectively saying that

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#Question id: 19677

#XL - P Chemistry

For which of the following is the Hinsberg approach used?