Podcast
Questions and Answers
How old is the Earth approximately?
How old is the Earth approximately?
- 5.6 billion years
- 3.5 billion years
- 6.6 billion years
- 4.6 billion years (correct)
When did life form on Earth approximately?
When did life form on Earth approximately?
- 4.6 billion years ago
- 3.5 billion years ago (correct)
- 1.5 billion years ago
- 2.5 billion years ago
In what era did reptiles and amphibians evolve?
In what era did reptiles and amphibians evolve?
- Neozoic
- Cenozoic
- Mesozoic
- Paleozoic (correct)
What gas was not present in the early atmosphere of Earth?
What gas was not present in the early atmosphere of Earth?
What is the role of cyanobacteria in the development of life on Earth?
What is the role of cyanobacteria in the development of life on Earth?
What is the purpose of relative dating?
What is the purpose of relative dating?
What type of evolution describes organisms that have not evolved from a common ancestor but have structures that are similar?
What type of evolution describes organisms that have not evolved from a common ancestor but have structures that are similar?
What term is used to describe structures that are structurally different but perform similar functions?
What term is used to describe structures that are structurally different but perform similar functions?
What is the main difference between convergent and divergent evolution?
What is the main difference between convergent and divergent evolution?
What is a vestigial structure?
What is a vestigial structure?
Why is the hip bone/pelvis combo considered vestigial in whales?
Why is the hip bone/pelvis combo considered vestigial in whales?
What does comparative embryology support?
What does comparative embryology support?
What is the primary factor that drives the process of natural selection?
What is the primary factor that drives the process of natural selection?
Which of the following is an example of an adaptation?
Which of the following is an example of an adaptation?
Which organism is most closely related to humans based on the amino acid sequence data?
Which organism is most closely related to humans based on the amino acid sequence data?
What is the key feature that all organisms share, indicating their common ancestry?
What is the key feature that all organisms share, indicating their common ancestry?
Which of the following is a result of Charles Darwin's findings on the Galapagos Islands?
Which of the following is a result of Charles Darwin's findings on the Galapagos Islands?
Which organism has the most differences in its amino acid sequence compared to humans?
Which organism has the most differences in its amino acid sequence compared to humans?
What is the main idea behind 'survival of the fittest'?
What is the main idea behind 'survival of the fittest'?
What type of adaptation is represented by birds migrating in the winter to get food?
What type of adaptation is represented by birds migrating in the winter to get food?
What type of selection is represented by a population of arctic hares becoming smaller in size over time?
What type of selection is represented by a population of arctic hares becoming smaller in size over time?
What is the main difference between natural selection and artificial selection?
What is the main difference between natural selection and artificial selection?
What is an example of physiological adaptation?
What is an example of physiological adaptation?
What type of selection is represented by seed cracker birds either having large beaks or small beaks, but not medium-sized beaks?
What type of selection is represented by seed cracker birds either having large beaks or small beaks, but not medium-sized beaks?
What is the most likely reason why the pesticide is no longer effective against the insects?
What is the most likely reason why the pesticide is no longer effective against the insects?
What is the term for the random change in the frequency of alleles or genes in a population?
What is the term for the random change in the frequency of alleles or genes in a population?
What is the main reason why populations, not individuals, evolve?
What is the main reason why populations, not individuals, evolve?
Which type of isolation is most likely to occur when a group of birds offers food gifts to attract mates, while another group offers colored objects for decorating nests?
Which type of isolation is most likely to occur when a group of birds offers food gifts to attract mates, while another group offers colored objects for decorating nests?
What is the term for the transfer of genes in and out of an area?
What is the term for the transfer of genes in and out of an area?
What are the five conditions that must be met for a population to be in Hardy-Weinberg equilibrium?
What are the five conditions that must be met for a population to be in Hardy-Weinberg equilibrium?