Worksheets12/8/23 Warm Up (Evidence of Evolution & Cladograms)
Total questions: 10
Worksheet time: 6mins
Similarities in bone arrangements, like those in the picture, support the hypothesis that...
these organisms are not well adapted
these organisms share a common ancestor
these organisms all share the same DNA sequences
these organisms are members of the same species
A bat wing and a butterfly wing are both used for flying but they are made differently. What type of structure is this?
Homologous structure
Analogous structure
Vestigial structure
Fossil structure
A human arm and a whale fin have similar bone structure but the whale fin is used for swimming and the arm is used for reaching and grabbing. What type of structures are these?
Homologous structures
Analogous structures
Vestigial structures
Fossil structures
When comparing the DNA of two different organisms, the more differences in the DNA base pairs the more-
Closely related they are.
Distantly related they are.
It doesn't prove anything.
They look alike.
What type of evidence is shown with the diagram above?
Molecular
Anatomical
Embryological
Fossil
Analogous Structure
Same function different structure
Homologous Structure
Same structure different function
Comparative Embryology
Comparing embryological development of different species
Biochemical Evidence
Comparing DNA and amino acid sequences of different species
Vestigial Structures
Structures in the body of an organism that no longer work.
What is the closest relative of humans shown in this diagram?
horse
turtle
monkey
dog
According to this diagram, is the pig more closely related to the dog or kangaroo?
(a)
On the cladogram, which organism is the closest relative of the parrot?
Frog
Hare
Caiman
Parrot
