Evolution Practice Test Flashcards
Which of the following is NOT an example of a vestigial structure?
wing of a bee
Where are most fossils found?
in sedimentary rock
which of the following is true?
populations of organisms evolve
Variations caused by the environment:
cannot be passed on to offspring, are called acquired traits
Which of the following is a body part with the same basic structure but with a different function?
homologous
Adaptations occur because:
some organisms are born with beneficial traits
Differences between organisms are known as:
variations
A change in the genetic make up of a population over time is called:
biological evolution
Which of the following is a body part with the same basic function but with different structure?
Analogous
The environment:
causes organisms to adapt to the environment, selects the most beneficial traits that were already present in the organism
Comparative biochemistry compares:
amino acid sequences
A trait that gives an organism an advantage is called a/an:
adaptation
Which of the following structures does NOT suggest a common ancestry?
analogous
A birds wing and a human arm are examples of __________ structures.
homologous
In comparative biochemistry, the more nucleotide differences between organisms, the:
more distantly related the organisms
