Evolution Review

Structures with the same parts have different functions; suggests that organisms share a common ancestry

• vestigial structures
• homologous structures
• adaptive radiation
• fossil

Which of the following is an example of a vestigial structure?

• the wings of a red-tailed hawk
• the hind limbs of a house cat
• the fins of sharks
• the tailbone of a human

Comparing human hemoglobin of chimpanzees, horses, kangaroos, and chickens, reveal that humans have the fewest amino acid differences with 

• Kangaroos
• Horses
• chickens
• chimpanzees

Whales, despite being fully aquatic, still possess a pelvis bone, which does not contribute to their swimming abilities. This remnant of their evolutionary past, inherited from terrestrial ancestors, is known as a(n)

• vestigial structure

• analogous structure

• homologous structure

In a forest, where the better adapted foxes survive to pass traits along to their offspring.

• Evolution

• Natural Selection

• Extinction

• Artifical Selection

_______ believed that organisms develop traits needed for survival and that traits that were unused would become weaker and gradually disappear. 

• Darwin
• Lamarck
• Mendel
• Watson

In the Galapagos Islands, ____________ observed that finches with different types of beaks were better suited to their specific feeding habits, suggesting that those organisms that were best suited for their environment would survive and pass on their beneficial traits to their offspring. 

• Darwin

• Lamarck

• Watson

• Mendel

Consider a dusty, old book on a library shelf that hasn't been opened for decades. This book is akin to a ____________, a structure that seems to serve no purpose but resembles structures with functional roles in other contexts.

• Necessary Structure

• Homologous Structure

• Vestigial Structure 

• Ancestry Structure

Observing the developmental stages of a chicken, a human, and a fish to find similarities is an example of which piece of evidence?

• Palentology

• Embryology

• Cytology

• Structure Analysis

While hiking through a canyon, a group of students discovers layers of sedimentary rock. They wonder, which of the following represents the collection of life's remains they might find within these rocks?

• natural selection

• homologous structures

• Charles Darwin

• the fossil record