Classification Station Lab

• Fish Identification

Station 1

1a Body noticeably covered with scales…………………………………..………..go to 21b Scales not covering body or too small to be seen……………………………go to 122a Dorsal fin single…………………………………..……………………………………go to 32b Dorsal fins two or more, joined or separated…………………………………...go to 63a 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 Dark lines forming netted design on body; fins not spotted…………………Pickerel4b Body covered with spots; fins spotted……………………………………Northern Pike5a Mouth turned down; barbells absent; dorsal fin not elongated……..White Sucker5b Mouth not turned down; barbells present; dorsal fin elongated………………Carp6a Two dorsal fins separated, the anterior spiny & the posterior soft…………...go to 76b 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 Body more than 3 times as long as broad……………………………………….go to 98b Body less than 3 times as long as broad………………………………………..go to 109a 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 Mouth large, hinge below or behind the eye………………………………….go to 1110b Mouth small, hinge in front of eye ……………………………………………….. Bluegill11a Five to seven spines in dorsal fin; dark spots forming broad vertical bars on sides……………………………………………………………………………..White crappie

11b Ten + spines in dorsal fin; sides flecked with dark spots………Rock bass (Redeye)12a Body elongated and snakelike; dorsal, caudal and anal fins continuous……...Eel12b Body not elongated and snakelike; dorsal, caudal, and anal fins separate; adipose fin present……………………………………………………………….….go to 13

13a Barbels growing from lips and top of head; head large and broad……...go to 1413b Barbels lacking; head not large and broad……………………………………go to 1614a Caudal fin deeply forked; head tapering ……………………………………..go to 1514b 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 Caudal fin deeply forked; back not mottled and with few spots..Atlantic salmon16b Caudal fin square or slightly indented; back mottled or spotted………... Go to 1717a Back and caudal fin spotted; broad horizontal band along sides...Rainbow trout17b Back mottled with dark lines; caudal fin not spotted; fins edged with white……………………………………………………………………………….. Brook trout

Fish A:

Bluegill

Fish B

Northern Pike

Station 2

KingdomPhylumClassOrderFamily GenusSpecies

AnimaliaChordataAmphibiaAnuraRanidaeRanaclamitans

AnimaliaChordataMammaliaCarnivoraCanidaeCanisfamiliaris

AnimaliaChordataMammaliaCarnivoraFelidaeFelisconcolor

AnimaliaChordataMammaliaPrimateHominidaeHomosapien

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 3Fish A

Family Isuridae

Fish B:

Family Rhinocodontidae

Station 4 Fictitious Organisms

Fictitious organism A:

Six spike or Six spike

Fictitious Organism B:

Four none or Four none

A B C D

E F G H

I J

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?

Station 5

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

A B C D E F G H

Station 7

Living things

Animals Plants

Legs No legs

6 legs 8 legs

No wings Wings

Feelers No feelers

2 feelers 4 feelers

Stinger No stinger

Animal Animal Animal PlantChordata Chordata Arthropoda TracheophytaMammalia Reptilia Insecta AngiospermaePrimates Chelonia Diptera FagalesHominidae Emydidat Culicidae FagaceaeHomo Terrapene Theobaldia QuercusSapien carolina anulata alba

1. Which organisms are most closely related and why?2. Most specific characteristic humans have in common with the turtle?3. Most specific characteristic humans have in common with the insect?4. Most specific characteristic humans have in common with the tree?5. What is the turtle’s correct scientific name?6. Explain the advantage of using scientific names or common names.

Station 8

Animalia Animalia Animalia AnimaliaChordata Arthropoda Arthropoda ChordataMammalia Insecta Crustacea MammaliaCetacea Orthoptera Decapoda RodentiaMegapteridae Acrididae Homaridae SciuridaeMegaptera Dissosteria Cancer Tomaiascurusnovaeangliae longipennis gracilia hudsonicus

A B C D

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 9

Station 10

Phylum Platyhelminthes-flat worms-parasites

-show cephalization ( head region)

Phylum Arthropoda-subphylum crustacea-has exoskeleton-jointed appendages-are aquatic

Phylum EchinodermataLives in salt waterFive part radial symmetryTube feet/water vascular system

Phylum MolluscaClass Cephalopodatentacleslives in salt watersoft bodied

Station 11What 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?