An example of an invertebrate chordate belongs in the subphylum:

a. Vertebrata.
b. Urochordata.
c. Chelicerata.
d. Crustacea.
e. Pycnogonida.

B

Biology & Microbiology

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plant spores B. sperm C. somatic cells D. cells of a flower petal What will be an ideal response?

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Which of the following is NOT characteristic of Actinomyces israelii?

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