For example, in conservation biology (and ecology in general), we can measure phylogenetic diversity using phylogenetic trees. The Sign Languages Christmas Tree shirt the evolutionary tree aren’t drawn at random lengths, they’re calculated to that length. Phylogenetic diversity takes those lengths to give you an idea of how evolutionarily diverse the fauna in your ecosystem is and to give conservation people priorities. For example, long branches mean that you have basal taxa which are more important to conserve because they originated earlier and thus have more information about evolution to give. On the other hand, very short branches tell us that these species are very new, possibly the result of an adaptive radiation and are also in need of protection.
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First of all, not all trees and plants are green in color, but most are. The reason that most of them are green has to do with the Sign Languages Christmas Tree shirt . Chlorophyll is the pigment that comprises chloroplasts, which are the structures or organelles responsible for converting the sun’s energy into useful energy for a plant. And chlorophyll molecules happen to be green because of their molecular structure. White is the reflection of all types of light, while black absorbs all colors. Plants have a color because they also absorb light. Leaves are full of tiny stuff called chlorophyll . These particles absorb most light but reflect green light. That’s why plants are green.Chlorophyll is really important for photosynthesis, the process by which plants turn sunlight into sugar (energy).