Gas Exchange Is More Difficult for Aquatic Animals with Gills

question 64

Multiple Choice

Gas exchange is more difficult for aquatic animals with gills than for terrestrial animals with lungs because

• A) water is less dense than air.
• B) water contains much less O₂ than air per unit volume.
• C) gills have less surface area than lungs.
• D) gills allow only unidirectional transport.
• E) gills collapse in air.

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Definitions:

Response Inhibition

The ability to suppress actions that are inappropriate or no longer required, a crucial aspect of executive functioning and self-control.

Formal Operational

A stage in cognitive development, as proposed by Jean Piaget, where individuals are able to think abstractly, reason logically, and understand hypothetical concepts.

Concrete Operational

A stage in Piaget's theory of cognitive development where children begin to think logically about concrete events.

Preoperational

A stage in Piaget's theory of cognitive development, typically from ages 2 to 7, where children begin to engage in symbolic play and struggle with logic and taking the perspective of others.