Phylum. The classification system goes: Kingdom, Phylum, Class, Order, Family, Genus, Species. Anything that shares a class also share anything above it.
Answer:
C. They lose their gills
Explanation:
They lose their gills but grow lungs
Answer:
for testing differnt cures on animals
Explanation:
Answer:
biology is not a physical science, as physical sciences deal with nonliving things such as atoms and whatnot. biology is a biological science
Explanation: