Extra Practice Worksheet 1. Use the information in the table to answer the following questions Common name Red squirrel Shorttail weasel Groundhog Mink Eastern chipmunk River otter Fisher Muskrat Black-footed ferret a. b. c. d. Scientific Name Tamiasciurus hudonicus Mustela erminea Marmota monax Mustela vision Tamis striatus Lutra canadensis Martes pennanti Ondatra zibethica Mustela nigripes Family Sciuridae Mustelidae Sciuridae Mustelidae Sciuridae Mustelidae Mustelidae Cricetidae Mustelidae Which of the species are most closely related. Explain. Is the river otter more closely related to the muskrat or the weasel? Explain Is the groundhog more closely related to the chipmunk of the ferret? Explain Which of the species is (are) the closest relatives of the squirrel? Explain 2. The following is a list of some Latin (Lat.) and Greek (Gr.) words and their English definitions: Alopekas (Gr.) : fox Canis (lat) : dog Felis (lat.) : cat Lagos (lat.) or lepus (gr): rabbit Aritcus(lat.): arctic Aquaticus (lat): found in water Pous (gr.) foot Mephitis (lat): bad odour Alpinous (lat): mountain Rufus (lat): reddish Felis concolor Sorex arcticus Canis rufus Mephitis mephitis Alopex lagopus Eutamias alpinus Sciurus arizonensis Aylvilagus aquaticus Match each scientific name with the correct common name Arctic shrew Swamp rabbit Skunk Red wolf Alpine chipmunk Artic fox Mountain lion Arizona grey squirrel Analyze the Cladogram Examine the sample cladogram, each letter on the diagram points to a derived character, or something different (or newer) than what was seen in previous groups. Match the letter to its character. Note: this cladogram was created for simplicity and understanding, it does not represent the established phylogeny for insects and their relatives. 1. ______ Wings 2. ______ 6 Legs 3. ______ Segmented Body 4. ______ Double set of wings 5. ______ Jumping Legs 6. ______ Crushing mouthparts 7. ______ Legs 8. ______ Curly Antennae Create Your Own Cladogram To make a cladogram, you must first look at the animals you are studying and establish characteristics that they share and ones that are unique to each group. For the animals on the table, indicate whether the characteristic is present or not. Based on that chart, create a cladogram like the one pictured above. Cells Slug Catfish Frog Tiger Human Backbone Legs Hair Opposable Thumbs