Given four hypothetical taxa, construct a tree in which Taxon G is more closely related to Taxon L than to Taxon A, but all three of these taxa are more closely related to each other than Taxon F. The most obvious way to determine the evolutionary relationship of organisms (i.e. their phylogenetic tree) is compare morphological similarities
At this time, the concept of index of refraction should be discussed on relative terms. When a substance bends light more than another, it is said to have a higher index of refraction. Oil has a higher index of refraction than water or air.Assessment: Students' responses to key concepts and their responses to additional examples.t this time, the concept of index of refraction should be discussed on relative terms. When a substance bends light more than another, it is said to have a higher index of refraction. Oil has a higher index of refraction than water or air.
Best Answer: When light travels from a more dense medium into a less dense medium, it refracts (bends) away from the normal (normal meaning a line perpendicular to the surface). The greater the difference in densities, the greater the refraction. Also, when light hits the surface at a great angle, the refraction will be greater; if it hits straight on, there is no refraction. Whenever light hits a boundary between to mediums, a portion of the beam also reflects back into the original medium.