TLS Online TPP Program

#Question id: 4996


An explanation for the evolution of insect wings suggests that wings began as lateral extensions of the body that were used as heat dissipaters for thermoregulation. When they had become sufficiently large, these extensions became useful for gliding through the air, and selection later refined them as flight-producing wings. If this hypothesis is correct, insect wings could best be described as

#Unit 11. Evolution and Behavior
  1. adaptations.

  2. mutations.

  3. exaptations.

  4. isolating mechanisms.