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Questions and Answers
What does evolution refer to in biological terms?
What does evolution refer to in biological terms?
- The change of organisms over time (correct)
- The adaptation of organisms to their environment
- The classification of organisms into categories
- The process of species becoming extinct
How can a scientific theory be best described?
How can a scientific theory be best described?
- As an absolute truth that cannot change
- As an untested hypothesis about a phenomenon
- As a well-supported and testable explanation of natural phenomena (correct)
- As a simple guess about natural events
Which statement is true regarding the descent of modern organisms?
Which statement is true regarding the descent of modern organisms?
- Modern organisms are direct descendants of contemporary organisms
- Modern organisms have descended from ancient organisms over time (correct)
- Modern organisms are immutable and cannot change over time
- Modern organisms have developed independently without any ancestral connections
What distinguishes a scientific theory from an opinion?
What distinguishes a scientific theory from an opinion?
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In the context of evolutionary biology, what does the term 'change over time' specifically imply?
In the context of evolutionary biology, what does the term 'change over time' specifically imply?
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Study Notes
Darwin’s Theory of Evolution
- Evolution represents the gradual change in species over time, resulting in modern organisms arising from ancient ancestors.
- The concept of descent with modification explains how traits evolve and are passed down through generations.
- A scientific theory is distinct from a mere guess; it is robust, well-supported, and tested against observed phenomena.
- Darwin's contributions to evolutionary theory laid the groundwork for understanding biological diversity and the processes driving these changes in organisms.
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