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- 1. Multiple Choice
The most recent ancestral form or species from which two different species evolved is known as ________________________.
a common ancestor.
an embryonic stage.
development.
evolution.
- 2. Multiple ChoiceIn stage one (top row) of these embryos, most of the embryos________look very similar.have very different features.show different stages of development.have only a tail if they are non-human.
- 3. Multiple Choice
What type of evidence is represented in the picture above:
Fossils
Vestigial Structures
DNA
Homologous Structures
- 4. Multiple ChoiceThe similarities of the bones in the diagram provide evidence that---The organisms shown lived in the same natural envionrmentThe organisms shown may have developed from a common ancestorThe organisms shown have the same genetic diseasesAll vertebrate species have identical forelimbs
- 5. Multiple ChoiceThe diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?Fossil A and C are the same ageFossil B is older than fossil CFossils A is older than fossil BFossil D is older than fossil C
- 6. Multiple Choice
Which process of evolution is demonstrated below?
Comparative anatomy
Homologous structures
Comparative embryology
Vestigial structures
- 7. Multiple Choice
Which statement provides the best evidence that Ambulocetus natans is an ancestor of Basilosaurus isis?
Homologous structures occur in each fossil
Similar nitrogenous bases are found in the DNA of each fossil
The fossils were found in different locations
The youngest fossils is larger than the older fossils
- 8. Multiple Choice
The bones in the figure above are-
Evidence of a common ancestor
Evidence that animals can walk
Evidence that fossils are old
Evidence of nothing
- 9. Multiple Choice
What conclusion can you draw from the fact that many modern whale species have vestigial pelvic and leg bones?
The ancestors of whales may have been land mammals
Whales could walk if they wanted to
Whales are preparing to evolve into land animals
Someday whales will be able to walk and will have legs
- 10. Multiple Choice
Whales are aquatic mammals that contain a pelvis bone. Even though it does not aid in its movement, the function must have been used by a common ancestor of the whale. Thus, the pelvis is referred to as a(n)
vestigial structure
analogous structure
homologous structure
- 11. Multiple Choice
The amino acid sequence for a protein was compared between three species. Species A and B had 2 differences, Species A and C had 6 differences, & Species B and C had 4 differences. Which species are most closely related?
A and B
A and C
B and C
All species are equally related
- 12. Multiple Choice
This table shows the number of differences in amino acids of a protein when compared to humans. Which species is LEAST closely related to humans?
Chimpanzee
Fruit fly
Horse
Pigeon
Rattlesnake
- 13. Multiple Choice
True or False: Species are more closely related if they have a more recent common ancestor.
True
False
- 14. Multiple Choice
A bird wing and fly wing are an example of a(n)
Homologous structure
Analogous structure
Mimicry
Camoflague
- 15. Multiple Choice
A penguin flipper and a fish fin are an example of what type of structure?
Homologous
Vestigial
Analogous
None of the above
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