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Early Study of Evolution


Curipod generated lesson: "Early Study of Evolution". #5-7

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Updated 3 months ago

1. Open question
300 seconds
Week 14 Bell Work What do you think evolution is?
2. Slide
60 seconds
Natural Selection: the process in which organisms with certain characteristics that are better suited to their environment produce more offspring, leading to the prevalence of those characteristics in the population over time. Artificial Selection: the process in which humans deliberately select traits in organisms for breeding, producing a desired outcome. Adaptation: the process in which an organism’s traits become more suited to its environment, allowing it to survive and reproduce more effectively.
3. Slide
60 seconds
Charles Darwin is known as the father of evolution, this is because he made several discoveries that led to the theory of evolution A variation is any difference between individuals of the same species Some scientists asked how life on Earth got started and how it has changed over time throughout the planets history Charles Darwin and other scientists worked to develop a theory of evolution Theory of Evolution: the idea that species change over time, give rise to new species, and share a common ancestor
Curiosity About How Life Changes
4. Poll
20 seconds
What is a possible common ancestor of a hippopotamus and an elephant?
  • Wolf
  • Blue Whale
  • Ant Eater
5. Slide
60 seconds
In 1831, Charles Darwin, 22, set aboard a British ship, the HMS Beagle, for a five year trip around the world Darwin was a naturalist, a person who observes and studies the natural world The captain wanted someone aboard the ship who could make and record observations as the crew explored South America
Darwin's Journey
6. Open question
300 seconds
Bell Work Why do you think humans lost their tail when we evolved from apes?
7. Slide
60 seconds
Darwin was surprised to see the diversity of living things he encountered during the voyage Today, scientists know organisms are even more diverse than Darwin had thought Scientists have calculated that there are millions of species on Earth, and new ones are being identified all the time Scientists have no way to estimate how many undiscovered species exist, but the numbers are believed to be very high
Darwin's Journey
8. Word cloud
120 seconds
What do we mean by "diversity"?
9. Slide
60 seconds
On his journey aboard the Beagle, Darwin also saw fossils of animals that had died long ago These fossils confused him, because though they looked like the living organisms they were also very different Darwin what happened to the organisms of long ago to cause a change in structure
10. Slide
60 seconds
Darwin collected birds from several of the Galapagos Islands From one island to the nest he noticed they were each a different type of finch He concluded that each finch species were each related to a single common ancestor species that came from the mainland Over time, different finches developed different beak shapes and sizes that was suited to the food they had to eat Beak shape is an example of an adaptation An adaptation is an inherited behavior or physical characteristic that helps an organism survive and reproduce in their environment
Comparisons Among the Islands
11. Open question
180 seconds
What is one way you have adapted to better suit your environment?
12. Slide
60 seconds
Based on his observations, Darwin reasoned that plants or animals that arrived on the Galapagos Islands faced conditions different than those on the nearby mainland Darwin hypothesized that species change over many generations and become better adapted to new conditions
Darwin's Hypothesis
13. Slide
60 seconds
A theory explains why and how things happen in nature A scientific theory is a well tested explanation for a wide range of observations and experimental results Darwin's theory concluded that organisms in the Galapagos had changed over time or evolved
Developing a Theory
14. Slide
60 seconds
Charles Darwin's book On the Origin of Species was once considered so controversial, it was banned from the Vatican Library. The first scientist to propose a theory of evolution was Jean-Baptiste Lamarck in 1809. The coelacanth, a large, lobe-finned fish long believed to be extinct, was discovered alive in 1938 off the coast of South Africa.
Did you know?
15. Open question
180 seconds
Work together in pairs: Q: Who were some of the most influential scientists who developed early ideas about evolution by natural selection?
16. Open question
180 seconds
Work together in pairs: What are some of the key ideas of Charles Darwin's Theory of Evolution that still influence scientific thought today?
17. Drawings
450 seconds
Brain break: Draw a slice of pizza biking down a steep mountain with pepperoni being knocked off as it passes obstacles.
18. Poll
60 seconds
Who is considered to be the father of modern evolutionary theory?
  • Charles Darwin
  • Gregor Mendel
  • Alfred Russel Wallace
19. Poll
60 seconds
What famous ship did Charles Darwin travel on for his research expedition?
  • HMS Beagle
  • HMS Victory
  • HMS Endeavour
20. Poll
60 seconds
'On the Origin of Species' was published in what year?
  • 1859
  • 1865
  • 1871
21. Poll
60 seconds
Who independently developed a theory of evolution by natural selection similar to Darwin's?
  • Alfred Russel Wallace
  • Thomas Huxley
  • Jean-Baptiste Lamarck
22. Poll
60 seconds
What is the name of one of Charles Darwin's most significant works published in 1839 which documented his travels and studies during his time aboard HMS Beagle?
  • The Voyage of the Beagle
  • The Galapagos Islands: A Study in Evolutionary Biology
  • A Naturalist's Guide to South America

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