K.C.S.E Biology Q & A - MODEL 2015PP1QN02
During a lesson, students observed the structure of bat, cat and human forelimbs to determine their evolutionary relationship.
(a) State the name given to the structure of the limbs observed by the students.
(b) Name the type of evolution illustrated by the structure of the limbs observed.
(c) What evidence of evolution is illustrated by the limbs?
(d) State the significance of the type of evolution illustrated by the limbs.
(a) The pentadacty/ limb/homologous structures;
(b) Divergent evolution/adaptive radiation;
(c) Comparative anatomy;
(d) It allows the organisms to exploit different habitats to reduce competition;
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