Non-Kidney Osmoregulatory Structures

Question 1

Freshwater fish and amphibians

Answer 1

Hyposmotic to the water they live in, therefore gain H2O and lose salts to the freshwater

Question 2

Saltwater fish

Answer 2

Hyposmotic to the ocean, therefore lose water and take on salts from ocean

Question 3

Chloride Cells

Answer 3

In freshwater they pump ions into fish and in saltwater they pump salts out of the fish, using the gills

Question 4

Marine Birds and Reptiles that have to drink saltwater

Answer 4

Have a salt gland near nose or eyes that secretes the salts, marine iguanas sneeze out secretions from salt gland