Chapter 11
Reproduction: How Life Continues
CBSE Class 9
Science Solutions
Educart Science class Class 9 NCERT Exemplar cover
Question:

In many animals, the young ones can walk or find food soon after birth but human babies are completely dependent on adults for a long time. What might be some advantages and disadvantages of this for humans as a species? [Pg. No. 224]

Answer: Verified

Human babies remain dependent on adults for a long time. An advantage of this is that they get more time to learn, develop skills, and adapt to their environment. A disadvantage is that they require prolonged care, protection, and resources from their parents and family.

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More NCERT Questions
In animals, which fertilisation method the gametes are more protected? [Pg. No. 218] If a couple uses oral contraceptive pills but not condoms, which risks remain and why? [Pg. No. 223] What protective devices can be used during sexual activity to reduce the spread of STIs? [Pg. No. 223] Rina's period occurs every 28 days. Her last period was on the 5th of March. On which day is she most likely to get her next period? [Pg. No. 222]