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Species, Speciation, and Extinction


Curipod generated lesson: "Species, Speciation, and Extinction". #5-7

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Updated 5 months ago

1. Word cloud
120 seconds
What is speciation?
2. Slide
60 seconds
Species are organisms that share common characteristics and can reproduce with each other. Speciation is the process of one species splitting into two new species. Extinction is when a species dies out completely and no longer exists. It can happen naturally or as a result of human activity. Humans have caused the extinction of numerous species throughout history, and this threatens the delicate balance of nature.
Species, Speciation and Extinction
3. Slide
60 seconds
Speciation: The process by which a new species is formed from a pre-existing species through the accumulation of genetic changes. Extinction: The death of all members of a species, making it impossible for it to reproduce and create new members. Endangered Species: Species which are in danger of becoming extinct because of a decrease in their population or habitat destruction.
4. Slide
60 seconds
Species can speciate due to geographical barriers, such as a mountain range or an ocean, that prevent members of the same species from breeding with one another. Extinction can occur when a species is unable to adapt to changing environmental conditions or when their habitat is destroyed. Species that exist today can actually be the result of speciation events that occurred millions of years ago.
Did you know?
5. Open question
300 seconds
What is the difference between a species and a subspecies?
6. Open question
300 seconds
What are some examples of species that have gone extinct in the past?
7. Open question
300 seconds
What do you think is the most important factor in species preservation?
8. Open question
300 seconds
What impact might the extinction of a species have on the environment?
9. Drawings
450 seconds
Brain break: Draw a piece of toast doing a backflip
10. Drawings
1260 seconds
Question: What would happen if a species went extinct? Discuss the effects on the environment, other species, and why this extinction might have occurred. Clues: • Think about the food chain and how an extinction could disrupt it. • Consider how the environment may be affected by the removal of a species. • Research how speciation (the formation of new species) can influence extinction. In pairs: Select and solve one of the tasks: A. Draw a diagram that illustrates the effects of a species going extinct. B. Explain the effects of a species going extinct to a partner.
11. Poll
60 seconds
What is the primary cause of speciation?
  • Reproductive isolation
  • Natural selection
  • Mutation
12. Poll
60 seconds
What is the term used to describe the formation of a new species?
  • Speciation
  • Extinction
  • Hybridization
13. Poll
60 seconds
'Endangered' is a status given to species that are at risk of:
  • Extinction
  • Overpopulation
  • Habitat destruction
14. Poll
60 seconds
Which type of extinction occurs gradually over an extended period due to environmental changes?
  • Background extinction
  • Mass extinction
  • Catastrophic extinction
15. Poll
60 seconds
Which animal was declared extinct in 2018, after being declared
  • The northern white rhino
  • The Tasmanian tiger
  • The passenger pigeon
16. Open question
180 seconds
Work together in pairs: What is the difference between a species becoming extinct and a species going through speciation?

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