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  • Q1:Lab 8 Using your textbook as a reference, answer the following questions: 1. What is a species? A species is often defined as group of organisms thautive capable of interbreeding, producing offspring in natural conditions Coumpbell) (8th Canadian ed. ofSee Answer
  • Q2:Lab 8 5. Ask your Learning Assistant to assign a group to your bench based on the species you are working yone with. Based on YOUR cladogram, are the yeli carb, blab fish Starfish Detapes aand jellyfish the a monophyletic group? Explain why they are monophyletic or not based on your cladogram. cle dreand cheming the color (octopus and jellyfish) the monophyletic group are yeti carb, blabfish and Starfish the jellyfish and also the actofue..See Answer
  • Q3:6. Based on the class cladogram, are the group of organisms with the characteristic of egg laying a monophyletic group? Explain why it is monophyletic or not based on your cladogram. the monophyletic group is the group that's consibils of all ance ancestions and cell of its desentarsSee Answer
  • Q4:5. Which experimental treatment (Easy or Difficult) has choice-selections that are most risky for the survival of Physarum and why? How do we expect results to differ between the easy and difficult treatments? BIOL300 Laboratory Name: Quantitative Analysis Instructions: Perform the following statistical tests and transcribe the results in the tables below. All tests should be two-tailed using a = 0.05. Tests can be completed at: http://www.socscistatistics.com/tests/Default.aspx Easy Choice Difficult Choice Lab 3.1 Page 1 of 3 z-tests 1a. Perform a z-test (for two population proportions) to test whether there is a significant difference between the proportion of starved and well-fed Physarum that made accurate choices (picked 10%) in the Easy Choice Experiment. 1b. Repeat the same test using the data for the Difficult Choice Experiment. t-tests 2a. Perform a t-test (independent means) to test whether there is a significant difference between the mean time-to-decision of starved and well-fed Physarum in the Easy Choice Experiment. 2b. Repeat the same test using the data Difficult Choice Experiment. Results Table 1. Results for a z-test on the difference in accuracy between the proportion of starved and well-fed Physarum in the Easy and Difficult Choice Experiments. Easy Choice Difficult Choice Z-score Lab Section: t-score p-value Table 2. Results for a t-test on the difference in time-to-decision between the starved and well-fed Physarum in the Easy and Difficult Choice Experiments. p-value Significant difference? Significant difference?See Answer
  • Q5:3). Some characters has/have derived states that are shared by two or more taxa in the matrix. This type of character is called a synapomorphy (shared derived) and is the basis for building phylogenies. For each synapomorphic character, list the taxa that share it.See Answer
  • Q6:4). Reconstruct the phylogeny that most simply and accurately accounts for the distribution of synapomorphies among ingroup species. Given matrices as small and simple as the above example, one can "build" the tree from the bottom up in a series of sketches, adding clades or branches representing groups with the fewest synapomorphies near the base of the tree and those with the most at the tips. Using the unlabeled phylogeny as a starting point, draw the stepwise construction of a fully resolved phylogeny to account for all of the synapomorphies, and include the synapomorphies that identify each clade (the first one, character 2, is included to get you started; this is shared by all members of the ingroup). OG Character 2 (leaf edge): 0-1See Answer
  • Q7:5). Map the one autapomorphic character onto the branch leading to the single species that has a derived character state. These types of characters provide no grouping information.See Answer
  • Q8:6). Circle all of the clades (i.e.. a common ancestor and all of its descendants) in the tree.See Answer
  • Q9:BIOL 300 Name: Section 7). How many nodes (i.e., common ancestors) are there in your phylogeny? Do not include the outgroup since this is only used to assess character states.See Answer
  • Q10:9). What species is sister to the clade containing 15, 17 and 18?See Answer
  • Q11:10). Can you think of a character that can distinguish 17 from 18 (even though these are sisters and equivalent in the tree, they are different species)?See Answer
  • Q12:Pick one plant species (vascular plant species) and research and fill out the following details regarding your plant. This plant can be found anywhere in the world. I have attached a document that gives you example answers for each question. Please make sure that your plant is different from the example. Also ensure that all work is your own (including any diagrams). Provide citations (i.e. references) at the end of the report so I know where you got your information from. Please do not provide point form answers. You are expected to complete your write-up in paragraph format. See Answer

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