The two groups representing the "jawless" fishes are:a

Cephalochordata and Placoderms.
b. Chondrichthyes and Actinistia.
c. Myxini and Petromyzontida.
d. Dipnoi and Actinistia.
e. Placoderms and Petromyzontida.


c

Biology & Microbiology

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The nuclear envelope is continuous with the

a. mitochondrial outer membrane. b. rough endoplasmic reticulum. c. Golgi apparatus. d. plasma membrane.

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T or F: The epiphysis surrounds the bone marrow cavity

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