If You Measured the Distances and Recessional Velocities for a Sample

question 63

Multiple Choice

If you measured the distances and recessional velocities for a sample of galaxies and plotted the data to get the figure below,what value would you derive for the Hubble constant?

• A) 10 km/s/Mly
• B) 22 km/s/Mly
• C) 45 km/s/Mly
• D) 100 km/s/Mly

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Definitions:

Natural Selection

The process by which organisms better adapted to their environment tend to survive and produce more offspring, a central concept in Charles Darwin's theory of evolution.

Natural Selection

Natural selection is a process in evolutionary biology where organisms with traits better suited to their environment tend to survive and reproduce more than those with less advantageous traits.

New Species

A species that is newly discovered and/or formally described by scientists.

Geographic Isolation

A situation where a population of species is physically separated from exchanging genetic material with other such populations due to geographical barriers.