Mantle cavities, tracheal tubes, and book lungs are all types of respiratory structures in
(1 p...
Biology, 20.11.2019 16:31 19alexanderetha
Mantle cavities, tracheal tubes, and book lungs are all types of respiratory structures in
(1 point)
a. aquatic vertebrates.
b. terrestrial vertebrates.
c. aquatic invertebrates.
d. terrestrial invertebrates.
Answers: 1
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