38 Questions
What does the Theory of Evolution explain?
The diversity of life on Earth
What is a scientific theory?
An explanation supported by evidence and testable
What did Charles Darwin do during his trip on the Beagle?
Made many observations and collected evidence
What did Darwin collect that are preserved remains of ancient organisms?
Fossils
What did Darwin observe about the traits of organisms on the Galápagos Islands?
They varied from island to island
What influenced Darwin the most during his observations on the Galápagos Islands?
The traits of animals on different islands
What did Darwin observe about the diversity of organisms?
Tremendous diversity of organisms
Why did Darwin wonder why some fossils represented by the __________ had disappeared?
Extinct species
What were traits like shell shapes that varied from island to island an example of?
Inherited characteristics
What does the term 'Evolution' refer to in the context provided?
The process by which modern organisms descended from ancient ones
What did most Europeans in Darwin's day believe about the age of the Earth?
It had been created just a few thousand years earlier
According to Thomas Malthus, what would happen if the human population continued to grow rapidly?
It would run out of living space and food
What did Lamarck propose about organisms and evolution?
Organisms are constantly striving to improve themselves
When does Darwin argue that species are descended from?
Previous species with modification
What kind of evolution results in isolated populations of a species evolving independently?
Divergent evolution
What is the term for structures that have different mature forms but develop from the same embryonic tissues?
Homologous structures
What does adaptive radiation refer to?
When diverse species evolve from a common ancestor
What is the main evidence provided by similarities in embryology among animals?
They share a common ancestor
What is the term for individual differences within a species that increase the population's chance of survival?
Variations
What kind of selection involves animal breeders selecting only animals with desirable traits for breeding?
Artificial selection
What is the process by which modern organisms have descended from ancient organisms?
Evolution
What is an explanation of natural events that is supported by evidence and can be tested?
Scientific theory
What did Darwin collect that are the preserved remains of ancient organisms?
Fossils
Why did Darwin wonder why some fossils represented by the ____________ had disappeared?
Largest organisms
What did Darwin notice about many plants and animals during his observations?
They were very well suited to their environment
What did Darwin observe about the traits of organisms on the Galápagos Islands?
They varied from island to island
What influenced Darwin the most during his observations on the Galápagos Islands?
Variation in shell shapes of tortoises
What did Darwin wonder about animals living on different islands of the Galápagos?
If they had once been members of different species
What type of evolution involves isolated populations of a species evolving independently?
Divergent evolution
What did Darwin observe about the diversity of organisms?
There was tremendous diversity of organisms.
What did most Europeans in Darwin's day believe about the age of the Earth?
It had been created thousands of years earlier
What concept did Jean-Baptiste Lamarck propose about organisms constantly striving to improve themselves?
Tendency Toward Perfection
What is the main evidence provided by homologous body structures?
Different mature forms but develop from the same embryonic tissues
When isolated populations of a species evolve independently, what type of evolution is observed?
Divergent Evolution
What did Charles Darwin argue was the process responsible for species alive today?
Evolution by Natural Selection
What does the Theory of Evolution explain regarding individuals best suited to their environment?
Survival of the Fittest
Which process results in different species with different ancestors developing similar characteristics?
Convergent Evolution
What is defined as individual differences within a species that increase a population’s chance of survival?
Adaptations
Explore the key concepts and events related to Darwin's Theory of Evolution, including the process of evolution, scientific theories, and Charles Darwin's contributions during the Voyage of the Beagle.
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