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- 1. Multiple Choice
Which of the following is NOT an example of natural selection?
Bacteria becoming resistant to antibiotics
Insect populations developing resistance to certain pesticides
Male birds of certain species inheriting colorful feathers that attract females more
People selectively breeding hamsters based on their size
- 2. Multiple Choice
Many different groups of organisms have wings, even though their common ancestor did not have wings. This is because they evolved in environments with similar selective pressures. Wings are an example of a(n) ___________ structure.
analogous
vestigial
homologous
foreign
- 3. Multiple Choice
A flood drowns a large portion of an insect population. Afterward, only a few random individuals have survived. This is an example of ________________.
genetic drift
artificial selection
adaptation
natural selection
- 4. Multiple Choice
Which statement is supported by this cladogram?
Hippopotamuses are more closely related to cows than to javelinas
Toothed whales are more closely related to mouse deer than to hippopotamuses
Javelinas and pigs are more closely related than baleen whales and toothed whales
Cows and mouse deer are more closely related than javelinas and pigs
- 5. Multiple Choice
Which of these does NOT cause genetic variation?
crossing over in meiosis
acquired traits
mutations
gene flow
- 6. Multiple Choice
The pelvic bone of whales is not needed for movement within the water. This is an example of a(n) _____________ structure.
analogous
vestigial
homologous
foreign
- 7. Multiple Choice
The Linnaean taxonomic system classifies organisms into divisions called taxa. If two organisms belong to the same taxonomic group, they are related. Similarity at which of these levels indicates the CLOSEST relationship?
Kingdom
Class
Order
Genus
- 8. Multiple Choice
A student wants to use the following Venn Diagram to show the characteristics of two kingdoms of organisms. The characteristics that the two kingdoms share will be listed in the shaded area where the circles intersect.
Which of these is a characteristic that the student should list in the shaded part of the diagram for Kingdoms Fungi and Plantae?
Heterotrophic
Mobile
Prokaryotic
Multicellular
- 9. Multiple Choice
The forelimbs of mammals have similar anatomy because these groups descended from a recent common ancestor. Their bone structure is an example of a(n) ___________ structure.
analogous
vestigial
homologous
foreign
- 10. Multiple Choice
A cladogram is shown in the image.
All the animals to the right of the hagfish would have the common characteristic of --
fur
claws or nails
lungs
jaws
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