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Extinction Theories
Extinction Theories Test Review
Question | Answer |
---|---|
What does the Volcanic Eruptions Theory say? | Dinosaurs were killed by large numbers of volcanic eruptions. |
What do tectonic plates constantly do? | move |
What Earth-Biological extinction cause is LEAST likely to endanger human survival? | continental drift |
Compared to historical climate trends, what is different about today's climate change? | It is happening faster. |
Where is the majority of the Earth's heat energy located? | In the core. |
Is bacteria harmful or helpful to humans? | both harmful and helpful |
What kind of statistics are related to Climate Change? | yearly averages |
What evidence was used to support Wegener's theory of continental drift? | Similar fossils in different parts of the world. |
What force makes tectonic plates move? | convection currents |
What might happen if a major volcanic eruption occurred every year? | Temperatures around the world might get cooler. |
How quickly do Earth-Biological Theories say dinosaurs were killed? | slowly over 1000s of years |
Where do subduction zones occur? | at the boundaries between tectonic plates |
What do Earth-Biological Theories say caused the extinction of the dinosaurs? | natural events on Earth |
How does the Continental Drift Theory say dinosaurs became extinct? | Dinosaurs were moved to climates that were too hot or cold. |
What is the difference between a pathogenic virus and a harmless one? | Pathogenic viruses kill cells. |
What does the Natural Climate Change Theory say caused dinosaur extinction? | ice ages and global warming |
Which Earth-Biological extinction cause is MOST likely to endanger human survival? | diseases |
What does a virus do once it is inside a cell? | It makes copies of itself. |