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During a lesson, students observed the structure of bat, cat and human forelimbs to determine their evolution relationship.

During a lesson, students observed the structure of bat, cat and human forelimbs to determine their evolution 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.

Answers

(a) Pentadactyl structures/ Limb

(b) Divergent evolution

(c) Comparative anatomy

(d) Show that divergent forms have a single ancestry/ common embryonic origin but are modified to perform different functions to exploit different environment.

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johnmulu answered the question on May 19, 2017 at 05:28

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