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.
When the two refractive indices are equal (n(1) = n(2)), then the light is passed through without refraction. The concept of refractive index is illustrated in Figure 1 below, focusing on the case of light passing from air through both glass and water.f the medium of lesser refractive index is air (n = 1.00), the equation further reduces to: As discussed previously, another important feature of light refraction is that the wavelength of light has an impact on the amount of refraction that occurs within a medium.