Homologous Basics
Analogous Basics
True or False
Analogous or Homologous
Vestigial structures
100
Structures originated from a common ancestor or same origin
What is a Homologous Structure?
100
Structures of different species having similar function but not from the same origin
What is an Analogous Structure?
100
False
Analogous and homologous are very similar
100
Analogous
Are Bats and Butterflies Homologous or Analogous?
100
A feature that has no current function in the organism?
What is a vestigial structure?
200
The organism newly adapts and evolves and the feature is no longer needed.
Why do Homologous structures occur?
200
The species have the same needs
Why are Analogous structures apparent in similar environments?
200
True
Structures can be both Homologous and Analogous
200
Homologous
Are Dolphin's flippers and Human wrists Analogous or Homologous?
200
The organism evolves and it no longer has a function
Why do Vestigial structures occur?
300
Yes
Are Homologous structures related to Vestigial structures?
300
No
Are Cats and Lions Analogous structures?
300
True
Homologous structures occur because of evolution
300
Analogous
Are Dolphins and Sharks body shape Analogous or Homologous?
300
Yes
Is a tail bone an example of a vestigial structure?
400
No
Is Horse hair and Human hair Homologous Structures?
400
Yes
Are guinea pig hair and tarantula hair Analogous structures?
400
True
Analogous structures occur because of similar demands
400
Homologous
Are Humans, Dogs, and Cats pelvis's Analogous or Homologous?
400
Yes
Can Vestigial structures be surgically removed?
500
Bone structure will stay similar
Why are bones good at determining a Homologous structure?
500
Yes
Are Octopus eyes and Human eyes Analogous structures?
500
False
Only some species have Homologous structures
500
Homologous
Are Wasps and Bees Homologous or Analogous?
500
Yes
Can Vestigial structures cause health problems?
M
e
n
u