Click here to read about what an endangered species is.
Watch the video and answer the questions. Check your answers in "comments".
1. How many animals are already extinct?
2. What three factors cause extinction by natural causes?
3. How do more natural extinctions happen?
4. What catastrophic event killed dinosaurs?
5. How have humans been the biggest cause of extinction in the last 500 years? Give one example.
6. Why did bison survive?
7. Why are animals also hunted?
8. How do humans destroy habitats?
1. 99.9%
ReplyDelete2. climate change / competition from other animals / reduced food supply
3. very slowly, over hundreds or thousands of years
4. a meteorite
5. Humans have hunted lots of animals. One example is what happened to the passenger pigeon in the US.
6. The bison survived because some ranchers gathered the remaining ones together to save them and their numbers have flourished.
7. For body parts like fur, feathers, hides and horns.
8. They build giant farms to grow food and pollution poisons the land and water.