Examlex
What is true of the phylogeny in Figure 26.5?
1) It is rooted.
2) The gibbons and siamangs represent an outgroup of the great apes.
3) Chimps and humans are the closest extant sister taxa depicted here.
4) It is absolute, meaning free of error.
5) The last common ancestor of the great apes lived about 14 million years ago.
Earthquake Risk
Earthquake risk refers to the probability of earthquakes occurring in a region and the potential damage they can cause to life, property, and the environment.
Modified Mercalli Intensity
A scale for measuring the intensity of an earthquake based on its observed effects on people, buildings, and the Earth's surface.
Richter Magnitude
The Richter magnitude scale is a numeric scale used to express the energy released by an earthquake, with each whole number representing a tenfold increase in measured amplitude.
P-Waves
Primary waves, or compressional waves, are the fastest seismic waves and can travel through both solid and liquid layers of the Earth.
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