Evolution by Natural Selection
Which of the following best describes the role of mutation in natural selection?
A mutation is a feature that helps an organism to better survive in its environment
An organism may acquire an advantageous mutation by interacting with its environment
A mutation may result in an adaptive trait that makes an organism more likely to reproduce
Organisms with certain physical traits are more likely to win competitions for limited resources
3. A mutation may result in an adaptive trait that makes an organism more likely to reproduce
Which of the following pairs of features have a similar structure but have a different function in each organism?
A dolphin fin and a shark fin
Human fingernails and monkey fingernails
The front leg of a cat and the wing of a bat
The wing of a bumble bee and the wing of a bird
3. The front leg of a cat and the wing of a bat
What is the name of the dating method that determines a fossil’s age by comparing it to other fossils?
Relative Dating
Name one period that makes up the Mesozoic era
Triassic, Jurassic, or Cretaceous
Name one species that have many different breeds.
Examples: Dogs, cats, chickens, etc.
All of the fossils that have been discovered make up the...
Fossil Record
What was the first thing that formed that allowed oxygen to be released?
Cyanobacteria
Tiktaalik is an example of which kind of fossil?
Transitional Fossil
Humans breeding dogs to get certain traits is an example of what?
Artificial selection
Snakes have traces of leglike structures that are not used for movement. What can you infer from this evidence?
Snakes have ancestors that once had legs.
What is the name of the dating method that determines a specific age for a fossil?
Absolute Dating
During which era did dinosaurs and other reptiles dominate the Earth? (Paleozoic era, Mesozoic era, or Cenozoic era)
Mesozoic era
Who developed the theory of evolution?
Charles Darwin
What is a feature that can be preserved in ice but cannot be preserved in rock?
Hair, skin/flesh, organs
Which era do we currently live in? (Paleozoic era, Mesozoic era, or Cenozoic era)
Cenozoic Era
During which era did the largest known mass extinction occur? (Paleozoic era, Mesozoic era, or Cenozoic era)
Paleozoic Era
What is the process called that says that organisms that inherit advantageous traits tend to reproduce more successfully than other organisms do?
Natural Selection
A chimpanzee has 0 amino acid differences from human cytochrome c. A Whale has 10 amino acid differences from human cytochrome C. Which organism is more closely related to humans?
Chimpanzees
What is the difference between a mass extinction and an extinction? (Hint: Format your response like "A mass extinction is... and an extinction is...")
A mass extinction is the death of all members of many different species, whereas an extinction if the death of all members of a single species.
What are the two structures that a whale has but no longer uses?
Pelvis and femur