Comparatuve Anatomyo

Question 1

Homologous features

Answer 1

Structures that share a common origin but may serve diff functions in modern species. Eg the forelimbs of humans whales and bats all have diff functions, flying swimming grasping

Question 2

Vestigial

Answer 2

Body parts that have lost their original function, eg toes on dogs pigs and horses, vestigial structures in humans include appendix

Question 3

Analogous features

Answer 3

Structures similar in function but not in origin or anatomical structure. Eg wings of birds and bees