Can HIV be cured by natural selection?
Studying HIV allows scientists to see natural selection in action. At the time of this documentary, 19 drugs for HIV were available. Explain then, using the theory of natural selection, why AIDS could not be cured.
Why arecreatures important to Darwin's Theory of evolution?
Creatures who adapted to their environment lived others, did not. Why are finches important to Darwin's idea? Each finch has different beaks which are compared to the prey they eat. They helped him discover a new idea. Darwin surmised that all life on Earth was connected, like branches on a tree of life.
How many drugs are available to treat HIV?
At the time of this documentary, 19 drugs for HIV were available. Explain then, using the theory of natural selection, why AIDS could not be cured. How does the speed of change in viruses compared to animals?
How does Charles Darwin relate his theory of DNA variation?
Minute differences can form through mistakes in the copying of the DNA sequence. Charles Darwin attempts to relate his theory to his cousin Emma Wedgwood using the selective breeding of dogs as an example. What problem does Emma point out with his analogy?
What was Charles Darwin's idea?
He understood that his idea was revolutionary. His idea would have countered the current science and the bible. During Charles Darwin's first presentation following his voyage, he attempted to document his evidence of gradualism: an idea he learned about from reading Charles Lyell's book Principles of Geology.
Why was Darwin's book on the origin of species controversial?
The publication of the book On the Origin of Species drew a lot of controversy towards Darwin and Thomas Henry Huxley, mostly for the suggestion that humans arose by the same natural laws as all other animals.
What is the theory of natural selection?
Describe the theory of of natural selection using the ideas of individual variation, limited resources, and reproduction. Natural selection is when organisms with traits that are more likely to survive through changes in their environment will pass those genes onto their children.
What is the main idea of Darwin's chapter 2?
Chapter 2. Common Ancestry (14:47) Darwin's initial ideas about adaptation and the development of new species. Darwin's relationships with his brother and with fellow naturalists. Chapter 3. Ecuador and the Tree of Life (12:55) In Ecuador, biologists explore how adaptations to new environments can create new species.
What is Darwin's relationship with Malthus?
Darwin's relationships with his brother, scientific peers, and future wife. Darwin considers Malthus’ theories of human growth and struggle.
What did Darwin learn from the Galapagos finches?
Darwin's theory of a single tree of life and current biological research. In Ecuador, biologists explore how adaptations to new environments can create new species. Comparisons of rainforest and mountain hummingbirds. What Darwin learned from the Galapagos finches. Using DNA to determine when species diverged.