Gas Exchange Is More Difficult for Aquatic Animals with Gills

question 76

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 allow water to flow in one direction.

---

Definitions:

Social Learning

A theory that suggests individuals can learn behaviors, skills, and attitudes through observing others.

Aggressive Behavior

Actions intended to harm or injure another individual, whether physically or psychologically.

Aversive Emotional Arousal

An uncomfortable or negative emotional response induced by certain stimuli or situations, often leading to avoidance behavior.

Presence Of A Weapon

Refers to situations or contexts where a weapon is available or detected, which can influence individuals' behavior and perceptions.