Which of the following immunoglobulin is the most abundant immunoglobulin in newborns?

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#Question id: 8925

#XL - P Chemistry

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: 8926

#XL - R Botany

Sponges and cnidarians are among the fossilized animals found in both the Ediacara Hills and the Burgess Shale from the Rocky Mountains of British Colombia. This observation requires that

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#Question id: 8927

#XL - R Botany

Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that

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#Question id: 8928

#XL - S Microbiology

An adult animal that possesses bilateral symmetry is most certainly also

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#Question id: 8928

#XL - T Zoology

An adult animal that possesses bilateral symmetry is most certainly also

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#Question id: 8928

#XL - R Botany

An adult animal that possesses bilateral symmetry is most certainly also