How do aquatic animals get oxygen?
photosynthesis gills rivers blood solutes lungs streams carbon transfer
A B C D E F G H
Animals breathe in oxygen and breathe out carbon dioxide.
Gills provide aquatic animals with oxygen.
How do aquatic animals get oxygen? (A) photosynthesis (B) gills (C) rivers (D) blood (E) solutes (F) lungs (G) streams (H) carbon transfer