Question

3. In which phylum animals use both gills and lungs for respiration?
a) reptile
b) cyclostomata c) amphibian
d) mammals ​

Answer 1

Answer:

amphibian

Explanation:

please mark as brainliest

Answer 2

amphibian is your answer

Explanation:

Lungfish have a unique respiratory system, having both gills and a lung. It is the only type of fish to have both organs, and there are only six known species around the world.