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In many animals, the young ones can walk or find food soon after birth but human babies are completely dependent for a long time. What might be some disadvantages of this for humans as a species?

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Question

In many animals, the young ones can walk or find food soon after birth but human babies are completely dependent for a long time. What might be some disadvantages of this for humans as a species?

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Solution

  • Raising a dependent child requires immense time, energy, and resources, diverting parental efforts from other essential survival tasks.
  • Infants are unable to flee or defend themselves, making both the baby and the actively protective caregiver highly susceptible to predators and environmental dangers.
  • The extended maturation process means it takes years before offspring can independently forage, hunt, or actively contribute to the community's labor and defense.
  • The intensive, long-term care required for a single child generally necessitates longer intervals between births, slowing down the overall reproductive rate of the species.
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Chapter 11: Reproduction: How Life Continues - Think It Over [Page 224]

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NCERT Science Exploration [English] Class 9
Chapter 11 Reproduction: How Life Continues
Think It Over | Q 11. (ii) | Page 224
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