In a mammalian visual system, visual information is integrated at ________.

 I) the lens

 II) the retina

 III) the optic nerve

 IV) the visual cortex

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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 - R Botany

An adult animal that possesses bilateral symmetry is most certainly also

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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: 8929

#XL - R Botany

An obsolete taxon, the ʺRadiata,ʺ included all phyla whose adults had true radial symmetry. Today, the ʺRadiataʺ is more correctly considered to be

1. a clade.

2. a grade.

3. monophyletic.

4. paraphyletic.

5. polyphyletic.

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#Question id: 8930

#XL - R Botany

Soon after the coelom begins to form, a researcher injects a dye into the coelom of a deuterostome embryo. Initially, the dye should be able to flow directly into the