Species Extinction — Definition & Causes
Read this topicExplanations 4
- (Video) A Dodo's Guide to Extinction by BBC Extinction is when a species dies out. This can be due to human activities or natural disasters. Some examples include pollution and …
By Deena Hauze, Alex Federspiel, Valeri Natole, Mario Janakis, Caroline K
- How Do Species Die Out? Extinction occurs when all members of a species are dead. This moment is typically marked by the death of the last individual of a species. There have be…
By Daniel, Deena Hauze, Valeri Natole, Mario Janakis, Jonathan Heller, Gabi Slizewska
- What Is Extinction?
By Gabi Slizewska, Mario Janakis
- Threatened, Endangered, Extinct: What Do They Mean? The world is always changing, and species are constantly going extinct. This means no more members of that species are alive …
By Valeri Natole, Mario Janakis, Gabi Slizewska
Problems 20
- What determines if a species is extinct?
- Which of the following species is extinct?
- Which of the following is a reason a species could become extinct?
- How are extinction and evolution related?
- There are two species of moth that exist only in one area - one species is yellow and the other is brown. The area suddenly becomes industrialized so that there are many brown-i…
- Which of these would be most likely to cause extinction?
- Which of these can lead to species extinction?
- Which of these contributes to the baseline level of extinction?
- Which of these could cause a species to become extinct?
- Species extinction __________ biodiversity.
- A species has been extinct for years. Then, scientists say the species is no longer extinct. Which of these has happened?
- An ancient tribe used one kind of plant for medicine. In order to keep the plant's species from becoming extinct, what might the tribe have done?
- Snakes and other cold-blooded animals can't regulate their own internal temperatures, so they lay out in the sun to keep themselves warm. Imagine the climate changes over just a…
- Predict what will happen to this bird species if the trend shown on the graph continues.
- Predict what happened at the indicated time on the graph.
- The extinction of one species affects other species in the ecosystem. Is this statement true, why or why not?
- Which of these could cause a mass extinction?
- Imagine a team of scientists is able to go back in time and look at the population of stegosauruses over a 100-year time period. They notice that there is a sudden disappearance…
- Layers of rock in the earth are laid down over long periods of time. In one layer, a paleontologist finds dinosaur fossils. In the next layer up, he finds the fossils of Ice Age…
- How could introduction of a non-native species cause a native species to become extinct?