Birds have undergone many structural adaptations to suit their aerial life. Some of these adaptations are as follows.
Streamlined body for rapid and smooth movement
Covering of feathers for insulation
Forelimbs modified into wings and hind limbs used for walking, perching, and swimming
Presence of pneumatic bones to reduce weight
Presence of additional air sacs to supplement respiration
12. Could the number of eggs or young ones produced by an oviparous and viviparous mother be equal? Why?
Birds have undergone many structural adaptations to suit their aerial life. Some of these adaptations are as follows.
Streamlined body for rapid and smooth movement
Covering of feathers for insulation
Forelimbs modified into wings and hind limbs used for walking, perching, and swimming
Presence of pneumatic bones to reduce weight
Presence of additional air sacs to supplement respiration
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