Welcome to the Quiz!
This quiz contains 5 questions from a mix of 1 subtopics.
According to Darwin and Wallace's theory, what is the driving force behind the gradual development of species over time?
Genetic mutation
Environmental adaptation
Inheritance of acquired traits
Natural selection
|
Why did it take time for the theory of evolution to become widely accepted?
Lack of evidence
All of the above
Religious reasons
Unknown mechanism for inheritance and variation
|
According to Darwin and Wallace's theory, why do giraffes have long necks?
Giraffes with shorter necks had a higher chance of surviving and reproducing
All of the above
Giraffes with longer necks were better adapted to their environment
|
According to Lamarck's theory, giraffes have long necks because:
Giraffes have always had long necks.
None of the above.
They stretched their necks to reach higher branches for food, resulting in longer necks during an individual's lifetime.
This acquired longer neck trait was passed to offspring, and successive generations have longer necks for reaching higher branches.
Giraffes started with short necks adapted to lower vegetation.
|
According to Lamarck's theory, why do giraffes have long necks?
Giraffes inherited long necks from their ancestors.
Giraffes started with long necks adapted to lower vegetation.
Giraffes stretched their necks to reach higher branches for food.
Giraffes have always had long necks.
Giraffes acquired longer necks during their lifetime and passed this trait to their offspring.
|