Which extant chordates are postulated to be most like the earliest chordates in appearance?

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#Question id: 19472

#SCPH01 Biochemistry

Which maize variety was developed by Monsanto, U.S.A?

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#Question id: 8927

#SCPH28 | Zoology

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

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#Question id: 1540

#SCPH01 Biochemistry

Peptidoglycans  recognize by

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#Question id: 11920

#SCPH28 | Zoology

Erigeron dominates and reduces the biomass of Setaria, this is an example of

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#Question id: 14696

#SCPH06 I Botany

Urn A contains 6 red and 4 black balls and urn B contains 4 red and 6 black balls, one ball is drawn at random from urn A and placed in urn B. Then one ball drawn at random from urn B and placed in urn A. If one ball is now drawn from urn A, the probability that it is found to be red is