What additional questions would you ask to further categorize the items within the domains and kingdoms (Hint: think about other organisms in the kingdom and what makes them different than the examples used here)? (2 pts) If the questions in the “tree” were answered correctly, each organism should end up in the correct kingdom.Ģ.
Which table correctly identifies the three kingdoms series#
Did this series of questions correctly organize each organism? Why or why not? (2) For the blanks in the completed table (above), that's because those answers are variable, and not necessary to identify that organism using the given flow chart. Most of you saw the discrepancy and went with the answer you got from the flow chart. Table 2, shown above, has an error in your lab manual-sunflowers do not have motility. The flow chart questions will lead you to the correct classification of the organisms into their respective kingdoms. The dichotomous key options became more and more specific as they came closer to identifying the organism just like the classification system starts as a broad category (i.e, animal kingdom) and becomes more specific until a unique species is classified (i.e., species).Įxperiment 2: Classification of Organisms How does your answer from question one relate to the Linnaean classification system? (1 pts) The options become more and more specific.Ģ. What do you notice about the options of each step as they go from number one up. Some physiological features can even possibly be used to help classify it.Įxperiment 1: Dichotomous Key Practice Level American Green Treeġ. The organism’s physical features can be used to compare it to known organisms. Discuss what possible steps you can take to classify it. You are on vacation and see an organism that you do not recognize. DNA sequencing can also trace relatedness through generations and more accurately assess how closely related two organisms are.ģ.
Physical traits can be misleading when classifying how related two organisms are. How has DNA sequencing affected the science of classifying organisms? (1 pts)ĭNA sequencing has allowed for the comparison of genes at the molecular level as opposed to physical traits at the organism level. While all three are classified into the same domain, kingdom, phylum and class the Eastern Newt is in a different order than the American Green Tree Frog and the European Fire-Bellied Toad.Ģ. The Eastern Newt is the least related organism out of the three. Use the following classifications to determine which organism is least related out of the three.
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