Evolution
What is the primary factor that leads to the evolution of a species over time?
A) Overpopulation
B) Natural selection
C) Genetic engineering
D) Climate change
B) Natural Selection
In the example of rabbits in a cold environment, what trait is favored for survival?
A) Thicker fur
B) Smaller size
C) Faster speed
D) Longer ears
A) Thicker fur
What can be concluded if no modern-day species resemble discovered fossils?
A) Still alive
B) Evolved into different form
C) Became extinct
D) Misidentified
C) Became extinct
What are homologous structures?
A) Same function
B) Similar in appearance due to common ancestry
C) No function
D) Randomly occurring traits
B) Similar in appearance due to common ancestry
What is a foundational problem with the theory of evolution?
Life comes from nonlife
How does variation within a population affect survival?
A) It has no effect
B) It can hinder survival
C) It helps some organisms survive
D) It guarantees survival
C) It helps some organisms survive
What role do adaptations play in the diversity of life?
A) Decrease organisms
B) Help survive in environments
C) Eliminate variations
D) No impact
B) Help survive in environments
Why is natural selection considered a "driving force" of evolution?
A) Randomly chooses traits
B) Eliminates all organisms
C) Favors survival traits
D) No influence
C) Favors survival traits
What is an example of an analogous structure?
A) Mammal forelimbs
B) Bird and insect wings
C) Whale pelvic bones
D) Different bird beaks
B) Bird and insect wings
There is no known observable process by which new genetic information can be added to an organism's _______ to create a whole new species.
What is the significance of the fossil record in studying evolution?
A) Identical organisms
B) Evidence of extinct species
C) Proves no change
D) Focuses on modern species
B) Evidence of extinct species
What does "favorable traits" refer to in natural selection?
A) Popular traits
B) Enhance survival
C) Aesthetically pleasing
D) Inherited traits
B) Enhance survival
How do fossils contribute to our understanding of extinction?
A) Show current species
B) Proof of eternal species
C) Document extinct species
D) No significance
C) Document extinct species
How do scientists use DNA sequences to determine relatedness?
A) Compare appearance
B) Analyze DNA similarities
C) Observe behavior
D) Study fossil records
B) Analyze DNA similarities
ancestor
How might genetic variation help prevent extinction?
A) No effect
B) Allows survival of some individuals
C) Makes all identical
D) Decreases adaptation
B) Allows survival of some individuals
What might happen to a population of squirrels if their food source is removed?
A) Thrive without food
B) Become extinct
C) Move to find food
D) Remain unaffected
B) Become extinct
Which factor can lead to extinction?
A) Genetic variation
B) Sudden changes
C) Adaptation
D) Increased reproduction
B) Sudden changes
What do comparative embryology studies reveal about species?
A) Develop the same way
B) Suggest common ancestry
C) No relationships
D) Unrelated to evolution
B) Suggest common ancestry
Evolutionists have claimed to have found ________ fossils which show the evolutionary progression of how a species evolved into another.
transitional
What does natural selection require to occur within a population?
A) Uniformity
B) Environmental stability
C) Genetic Variation
D) Absence of competition
C) Genetic Variation
What can be inferred about a species that has vestigial structures?
A) Not changed
B) Shares common ancestor
C) Critical for survival
D) More advanced
B) Shares common ancestor
Why are vestigial structures important in understanding evolution?
A) Show no change
B) Indicate non-functional features
C) Completely useless
D) Always harmful
B) Indicate non-functional features
How does evolution explain the variety of species on Earth?
A) Species do not change
B) All species identical
C) Changes in characteristics
D) Extinction is rare
C) Changes in characteristics
Evolutionists believe that random _______ in an organism's genetic code can give rise to a new species.
mutations