#Question id: 18083
#Unit 8. Inheritance Biology
#Question id: 1973
#Unit 4. Cell Communication and Cell Signaling
Clonal selection is an explanation for how
#Question id: 4996
#Unit 11. Evolution and Behavior
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
#Question id: 4325
#Unit 3. Fundamental Processes
Cell differentiation always involves
#Question id: 31297
#Unit 5. Developmental Biology