Biology
Grade-8
Easy

Question

    1. As is evident from the graph, the beak size increased in the years 1977, 1980 and 1982. Hence, All of the above is the right answer.
    2. The beak size increases during the dry years to ensure better survival during drought.
    3. As is evident from the graph, the average beak size ranges between A) 9.5 – 10 mm.