Which Type of Animal is Most Likely to Gain Water

Question

Which type of animal is most likely to gain water by osmosis from its environment?
A)marine bony fishes
B)freshwater bony fishes
C)cartilaginous fishes
D)reptiles
E)birds

Accepted Answer

Freshwater bony fishes are most likely to gain water by osmosis because they live in an environment where the water concentration is higher outside their bodies than inside, leading to water moving into their bodies through osmosis.