Across
- 2. organisms restricted to a narrow range of salinities
- 4. bony fishes excrete this nitrogenous waste
- 5. animal at higher solute concentration than that of their environment
- 6. animal at the same solute concentration as the environment
- 7. birds excrete this nitrogenous waste (two words, no space)
- 8. organisms that can adapt to a wide range of salinities
Down
- 1. reclamation of valuable materials from the filtrate into the bloodstream (two words, no space)
- 3. animal at lower solute concentration than that of their environment
- 7. mammals excrete this nitrogenous waste