Anatomical Structures
Fossils
Anatomical structures 2
100
Structures or body parts that have similar function but different structure
Analogous structure
100
the preserved remains or traces of ancient organisms found in sedimentary rocks.
Fossils
100
What structure is displayed above?
Analogous
200
Structure that no longer have their true original function
Vestigial Structures
200
Older fossils are found deeper layers of sedimentary rock
True or False
True
200
What type of structure is displayed above?
Homologous
300
Structures that have similar structure but different function
Homologous structure
300
Relative dating helps scientists determine the _______________ order of fossils in rock layers.
chronological
300
The pelvis and femur in this whale is what type of structure?
vestigial
400
In humans, an appendix is an example of what structure
vestigial structure
400
A _____________ is a period when a large number of species disappear in a short time.
mass extinction
400
What type of structure is displayed above?
homologous
500
This structure has common ancestry or common evolutionary origin
homologous structure
500
__________ is the development of new species from an existing species
Speciation
500
Shark fins and dolphin fins are examples of analogous structures.
True or False
True