Monday, August 27, 2012

Last Scavenger Hunt Post

 Analogous Structure: Analogous structures serve the same function in different species but they evolved independently rather than from the same embryological material or from the same structures in a common ancestor. Examples are the wings on birds, bats, and butterflies.
 ATP: of body mass requires energy. This is usually supplied by ATP. So the growth of your hair would be an example.
 Genetic Variation Within a Population: Genetic variation describes naturally occurring genetic differences among individuals of the same species. Hair color, eye color, blood types, and more are all differences caused by variations in genes.
 Anther and Filament of Stamen: At the core of this flower and its petals lay the anther and filament of the flower. Together, they make up the stamen, the part of the plant that produces pollen and the male part of the flower. The anther is the sac-like structure on the end of the filaments, which are the long and almost hair-like structures, and it is the part that produces the pollen. (it's hard to see but if you look closely you can see them)
 Hydrophilic: Any substance that has an affinity for water is described as hydrophilic. Hydrophilic is the opposite of hydrophobic.
 Eukaryote: A eukaryote is any organism, unicellular or multicellular, whose fundamental structure unit is a cell consisting of membrane-bound organelles and a distinct nucleus.
 Homologous Structure: Homologous structures are characteristics that are shared by related species because they were inherited from a common ancestor.
 C3 Plant: Plants whose carbon-fixation products have three carbon atoms per molecule. C3 plants show a greater increase in photosynthesis with a doubling of CO2 concentration and less decrease in stomata conductance, which results in an increase in leaf-level water-use efficiency.
 Vestigial Structure: Vestigial structures have marginal use to an organism but once had some function in its ancestor. The example I'm showing is the ear bone.
 Xylem: The rings of the tree represent the old xylem tissues, xylem being the system of tubes and transport cells that circulates water and minerals throughout a tree.
 Eubacteria: Eubacteria are single-called, complex, organisms, which tend to comprise mostly helpful substances; however, some eubacteria cause infections.
 Adaptation of a Plant: Plants have to become better suited to its environment. This palm tree has abnormally large leaves compared to other kinds of plants. Its giant leaves are an adaptation it has to absorb maximum sunlight in the south. Also, there is a waxy outer layer covering the palm leaves, protecting and repelling it from water.
Endotherm: an organism that produces heat through internal means.

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