Gce Model Questions Vol1 2025 Biology Question 37
Practice objective / multiple choice question 37 from the 2025 Gce Model Questions Vol1 Biology examination.
An amphibian species reproduces in two different habitats. In habitat X a female lays 8 eggs per clutch. Each egg has an 80 % chance of hatching, 60 % of the hatchlings survive to the juvenile stage, and 70 % of juveniles reach adulthood. In habitat Y the same species lays 12 eggs per clutch, but the stage‑specific survival probabilities are 70 % (egg to hatchling), 50 % (hatchling to juvenile) and 80 % (juvenile to adult). Calculate the expected number of adult offspring produced per clutch in each habitat and state which habitat yields the higher expected number.
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This is Gce Model Questions Vol1 2025 Biology Question 37. It is one of the objective questions from the 2025 Gce Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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