30 Questions
How old is the Earth approximately?
4.6 billion years
When did life form on Earth approximately?
3.5 billion years ago
In what era did reptiles and amphibians evolve?
Paleozoic
What gas was not present in the early atmosphere of Earth?
Oxygen
What is the role of cyanobacteria in the development of life on Earth?
Producing oxygen
What is the purpose of relative dating?
To determine the relative age of a fossil
What type of evolution describes organisms that have not evolved from a common ancestor but have structures that are similar?
Convergent evolution
What term is used to describe structures that are structurally different but perform similar functions?
Analogous structures
What is the main difference between convergent and divergent evolution?
Divergent evolution involves a common ancestor, while convergent evolution does not.
What is a vestigial structure?
A structure that is inherited from an ancestor but is no longer used
Why is the hip bone/pelvis combo considered vestigial in whales?
Because whales do not have hips and do not need their hip bone
What does comparative embryology support?
The theory of evolution
What is the primary factor that drives the process of natural selection?
Environmental factors
Which of the following is an example of an adaptation?
The variation in beak shape in Galapagos finches
Which organism is most closely related to humans based on the amino acid sequence data?
Chimpanzee
What is the key feature that all organisms share, indicating their common ancestry?
Vertebrae
Which of the following is a result of Charles Darwin's findings on the Galapagos Islands?
The development of the theory of evolution
Which organism has the most differences in its amino acid sequence compared to humans?
Frog
What is the main idea behind 'survival of the fittest'?
The ones with the stronger traits will survive, and the ones with the weaker traits will die off
What type of adaptation is represented by birds migrating in the winter to get food?
Behavioral
What type of selection is represented by a population of arctic hares becoming smaller in size over time?
Directional Selection
What is the main difference between natural selection and artificial selection?
Natural selection is when an organism adapts to their environment, artificial selection is when humans choose the traits
What is an example of physiological adaptation?
Squid spraying black ink when threatened
What type of selection is represented by seed cracker birds either having large beaks or small beaks, but not medium-sized beaks?
Disruptive Selection
What is the most likely reason why the pesticide is no longer effective against the insects?
The insects have developed a resistance to the pesticide
What is the term for the random change in the frequency of alleles or genes in a population?
Genetic drift
What is the main reason why populations, not individuals, evolve?
Because it takes time for a trait to become fixed in a population
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?
Behavioral Isolation
What is the term for the transfer of genes in and out of an area?
Gene flow
What are the five conditions that must be met for a population to be in Hardy-Weinberg equilibrium?
Random mating, no mutation, no genetic drift, no gene flow, and infinite population size
Test your knowledge of the Earth's history and the evolution of life on our planet. This quiz covers the timeline of major events, from the formation of the Earth to the present day.
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