Calculate the pH of a 2.0 L solution containing 10 mL of 5 M acetic acid and 10 mL of 1 M sodium acetate. (pKa = 4.76)

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#Question id: 8859

#XL - T Zoology

In terms of food capture, which sponge cell is most similar to the cnidocyte of a Cnidarian

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#Question id: 8860

#XL - T Zoology

A radially symmetrical animal that has two embryonic tissue layers probably belongs to which phylum?

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#Question id: 8861

#XL - T Zoology

Which of the following is true of members of the phylum Cnidaria?

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#Question id: 8862

#XL - T Zoology

The members of which class of the phylum Cnidaria occur only as polyps?

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#Question id: 8863

#XL - T Zoology

Which class of the phylum Cnidaria includes ʺjelliesʺ with rounded (as opposed to boxlike) medusae? 

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#Question id: 8864

#XL - T Zoology

Corals are most closely related to which group?