Answer:
Explanation Bullet trains inspired by Kingfisher birds.
Wind turbines modeled after Humpback whales.
Antimicrobial film mimicking sharkskin
Absorbing shock like a woodpecker.
Cephalopod camouflage.
Ventilation systems inspired by termites
The following situation would be an example of freedom of association:
C.) Homeowners in a local neighborhood deciding to schedule monthly potluck dinners.
Freedom of association is a voluntary informal gathering wherein one can choose to come and go as they please.