Classification Station Lab Station 1 • Fish Identification 1a 1b 2a 2b 3a Body noticeably covered with scales…………………………………..………..go to 2 Scales not covering body or too small to be seen……………………………go to 12 Dorsal fin single…………………………………..……………………………………go to 3 Dorsal fins two or more, joined or separated…………………………………...go to 6 Body more than four times as long as broad (top to bottom); front edge of dorsal fin far back on body; mouth large, hinge in back of eye……………go to 4 3b Body less than four times as long as broad; front edge of dorsal fin about midway between head and tail; mouth not large; hinge in front of eye…go to 5 4a 4b 5a 5b 6a 6b Dark lines forming netted design on body; fins not spotted…………………Pickerel Body covered with spots; fins spotted……………………………………Northern Pike Mouth turned down; barbells absent; dorsal fin not elongated……..White Sucker Mouth not turned down; barbells present; dorsal fin elongated………………Carp Two dorsal fins separated, the anterior spiny & the posterior soft…………...go to 7 Two dorsal fins united, forming an anterior spiny portion & a posterior soft portion………………………………………………………………………………..….go to 8 7a Top of head concave, forming a hump in front of dorsal fin; dark vertical bars on body………………………………………………………………………….Yellow Perch 7b Top of head not concave, body sloping to dorsal fin and not forming a hump; dark blotches on body…………………………………………………….Walleyed Pike 8a 8b 9a Body more than 3 times as long as broad……………………………………….go to 9 Body less than 3 times as long as broad………………………………………..go to 10 Hinge of jaws behind the eye; notch between spiny & soft dorsal fin deep and nearly separating into 2 fins………………………………….....Largemouth Black Bass 9b Hinge of jaws below the eye; notch between spiny & soft dorsal fin not nearly separating into 2 fins……………………………………………..Smallmouth Black Bass 10a 10b 11a Mouth large, hinge below or behind the eye………………………………….go to 11 Mouth small, hinge in front of eye ……………………………………………….. Bluegill Five to seven spines in dorsal fin; dark spots forming broad vertical bars on sides……………………………………………………………………………..White crappie 11b 12a 12b Ten + spines in dorsal fin; sides flecked with dark spots………Rock bass (Redeye) Body elongated and snakelike; dorsal, caudal and anal fins continuous……...Eel Body not elongated and snakelike; dorsal, caudal, and anal fins separate; adipose fin present……………………………………………………………….….go to 13 13a 13b 14a 14b Barbels growing from lips and top of head; head large and broad……...go to 14 Barbels lacking; head not large and broad……………………………………go to 16 Caudal fin deeply forked; head tapering ……………………………………..go to 15 Caudal fin rounded or slightly indented but not forked; head blunt ………………………………………………………………………...……… Bullhead catfish 15a Dorsal fin rounded at top; body silvery, speckled with black markings ……………………………………………………………………………...… Channel catfish 15b Dorsal fin long and pointed at top; body bluish gray without speckles……………………………………………………………………………Blue catfish 16a 16b 17a 17b Caudal fin deeply forked; back not mottled and with few spots..Atlantic salmon Caudal fin square or slightly indented; back mottled or spotted………... Go to 17 Back and caudal fin spotted; broad horizontal band along sides...Rainbow trout Back mottled with dark lines; caudal fin not spotted; fins edged with white……………………………………………………………………………….. Brook trout Fish A: Bluegill Fish B Northern Pike Station 2 Kingdom Phylum Class Order Family Genus Species Animalia Chordata Amphibia Anura Ranidae Rana clamitans Animalia Chordata Mammalia Carnivora Felidae Felis concolor Animalia Chordata Mammalia Carnivora Canidae Canis familiaris Animalia Chordata Mammalia Primate Hominidae Homo sapien Which taxon includes the most specific characteristics? Which taxon includes the broadest characteristic? Which includes only organisms that can successfully interbreed? If 2 organisms belong to the same family, what other taxonomic groups do the organisms have in common? Which 2 organisms in the chart are most closely related? Explain. To which taxa do all 4 organisms belong ? Which class does not include animals that have hair or fur? What is the order, family and genus of the human? Station 3 Fish A Family Isuridae Fish B: Family Rhinocodontidae Station 4 Fictitious Organisms • Kingdom • Phylum • Class Plant or Animal Actual or Pseudo Type of Habitat » Land , Air or Water • Order Kind of appendages » Legs, wheels, tentacles or fins • Family Body covering » Smooth, hair or scales • Genus • Species Number of appendages Head adornment » None, antennae, spike, two horned Fictitious organism A: Six spike or Six spike Fictitious Organism B: Four none or Four none A E 1. Why would Aristotle place E and J together? 2. Why would Aristotle place A and H together? 3. According to Aristotle which two plants would have been grouped together and why? 4. Which two animals are most closely related based on the modern day system? B Station 5 F I C D G H J A. Dromaius novaehollandiae B. Phascolatarctos cinerus C. Chironex fleckeri D. Atrax infensus E. Pseudonaja texilis F. Hapalochlaena lunalata Station 6 G. Lactrodectus hasselti H. Vombatus ursinus I. Psuedechis porphyricus J. Casuarius casuaris Station 7 A B C D E F G H Living things Animals Plants Legs No legs 6 legs 8 legs No wings Wings Feelers No feelers 2 feelers 4 feelers Stinger No stinger Station 8 Animal Chordata Mammalia Primates Hominidae Homo Sapien 1. 2. 3. 4. 5. 6. Animal Chordata Reptilia Chelonia Emydidat Terrapene carolina Animal Arthropoda Insecta Diptera Culicidae Theobaldia anulata Plant Tracheophyta Angiospermae Fagales Fagaceae Quercus alba Which organisms are most closely related and why? Most specific characteristic humans have in common with the turtle? Most specific characteristic humans have in common with the insect? Most specific characteristic humans have in common with the tree? What is the turtle’s correct scientific name? Explain the advantage of using scientific names or common names. A B Station 9C Animalia Animalia Chordata Arthropoda Mammalia Insecta Cetacea Orthoptera Megapteridae Acrididae Megaptera Dissosteria novaeangliae longipennis Animalia Arthropoda Crustacea Decapoda Homaridae Cancer gracilia D Animalia Chordata Mammalia Rodentia Sciuridae Tomaiascurus hudsonicus 1. Which pairs would Aristotle have placed together? 2. Why? 3. Which pairs would modern day classification have placed together? 4. Why? 5. List in order, from broadest to the most specific, the divisions of classification. Station 10 Phylum Mollusca Phylum ArthropodaPhylum Echinodermata Phylum Platyhelminthes Class Cephalopoda -subphylum crustacea Lives in salt water -flat worms tentacles -has exoskeleton Five part radial symmetry -parasites lives in saltsystem water -jointed appendages Tube feet/water vascular -show cephalization ( head region) soft bodied -are aquatic Station 11 What is a zedonk? Why is it such a surprise? Why is it so rare for wild animals to interbreed? Which hybrid is fertile? Why is this considered to be a problem? What is it called when nature stops interbreeding? How many chromosomes does a mule have? Why does this make it sterile? What problems do many hybrids have?