Vestigial Structure
What is a vestigial structure?
A useless structure
What is a homologous structure?
A structure passed on from a common ancestor
What is an analogous structure?
A structure used for similar functions, but not inherited by relation
Whale hind leg
Phalanges
What is another word for fingers?
A vestigial structure in the human lower body
What is the tailbone?
A homologous structure in humans & dogs
What are fingers?
Analogous structure between birds & bats
What are wings?
Dog & Human legs
What is an example of a homologous structure?
The arm bone connected to the body of a human
What is the humerus?
A vestigial structure in the human head
What are wisdom teeth?
A homologous structure between primates
What are arms/tails
Analogous structure between cats and insects
What are legs?
Eyes of cave spiders
What is an example of a vestigial structure
(true or false)
Homologous structures are from a common ancestor
True
What is the hind leg?
A homologous structure between snakes & lizards
What are tails?
Analogous structure between squids & sea stars
Whale shark & fish fins
What is an example of a homologous structure?
(True or false)
Vestigial structures are used in niche scenarios
False
What is a vestigial organ found in humans?
The appendix
Homologous structure found in whales & hippopotamus
What are front legs?
Analogous structure between penguins and fish
What are fins/flippers?
Roots of sweet potato and potato
What is an analogous structure?
Bones connected to the wrist of humans, dogs, & birds. (2 answers)
What are the radius and ulna