Info

Salinity of fresh water

Salinity of salt water

Salinity of body fluids

Freshwater fish

<0.1%

0.8 - 1%

Saltwater fish

3.5%

0.8 - 1.4%

5. What tendency do freshwater fish have in a freshwater environment?

A. lose water and salts

B. take on water and salts

C. take on water and lose salts

D. lose water and take on salts

6. What tendency do saltwater fish have in a saltwater environment?

F. lose water and salts

G. take on water and salts

H. lose water and take on salts J. take on water and lose salts

DIRECTIONS: Complete the following analogy.

A. Aves

B. Agnatha

C. Mammalia

D. Chondrichthyes

INTERPRETING GRAPHICS: The figure below shows the external anatomy of a bony fish. Use the figure to answer the following question.

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