Podcast
Questions and Answers
What did most Europeans in Darwin's day believe about the Earth and species?
What did most Europeans in Darwin's day believe about the Earth and species?
- That the Earth had been created a few thousand years ago and species did not change over time (correct)
- That the Earth was constantly changing and species were created instantly
- That the Earth had always existed and species evolved continuously
- That the Earth had been created millions of years ago and species changed over time
According to Lamarck, what was one of the evolutionary mechanisms related to organisms striving to improve themselves?
According to Lamarck, what was one of the evolutionary mechanisms related to organisms striving to improve themselves?
- Inheritance of Acquired Traits
- Adaptation and Variation
- Use and Disuse (correct)
- Survival of the Fittest
What was one key concept in Darwin's theory of evolution?
What was one key concept in Darwin's theory of evolution?
- Malthusian economics
- Survival of the Fittest (correct)
- Frequent catastrophes causing mass extinctions
- Constant perfection in species
What is a defining characteristic of homologous body structures?
What is a defining characteristic of homologous body structures?
What term describes differences within a population that increase its chance of survival?
What term describes differences within a population that increase its chance of survival?
Which process of evolution is illustrated by the adaptive radiation of many diverse species from one common ancestor?
Which process of evolution is illustrated by the adaptive radiation of many diverse species from one common ancestor?
What is the main mechanism that can explain the diversity of life on Earth?
What is the main mechanism that can explain the diversity of life on Earth?
What did Darwin collect that are the preserved remains of ancient organisms?
What did Darwin collect that are the preserved remains of ancient organisms?
What did Darwin notice about many plants and animals in their environment?
What did Darwin notice about many plants and animals in their environment?
What influenced Darwin the most during his observations?
What influenced Darwin the most during his observations?
What did Darwin wonder about animals living on different islands in the Galápagos?
What did Darwin wonder about animals living on different islands in the Galápagos?
What is a scientific theory according to the text?
What is a scientific theory according to the text?
What is the term used to describe the number of each allele in a gene pool?
What is the term used to describe the number of each allele in a gene pool?
Evolution often begins with a ___________ in allele frequency.
Evolution often begins with a ___________ in allele frequency.
What does genetic equilibrium refer to?
What does genetic equilibrium refer to?
What is a key factor required for genetic equilibrium to occur?
What is a key factor required for genetic equilibrium to occur?
Which term describes the change in allele frequency due to chance events?
Which term describes the change in allele frequency due to chance events?
When does directional selection occur?
When does directional selection occur?
What type of selection occurs when an environmental change makes it unfavorable to have the medium phenotype?
What type of selection occurs when an environmental change makes it unfavorable to have the medium phenotype?
"Peppered" and "black" are examples of what kind of moths?
"Peppered" and "black" are examples of what kind of moths?