Waec Model Questions Vol1 2019 Biology Question 1
Practice objective / multiple choice question 1 from the 2019 Waec Model Questions Vol1 Biology examination.
Fossil species A, which lived 5 million years ago, had an average molar length of 12 mm. Its descendant species B, living today, has an average molar length of 18 mm. Assuming a linear increase in size, (a) calculate the average increase in molar length per million years, and (b) if another lineage C shows an increase of 0.8 mm per million years, how many million years would be required for lineage C to achieve the same total increase observed from A to B?
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This is Waec Model Questions Vol1 2019 Biology Question 1. It is one of the objective questions from the 2019 Waec Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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