TREE THINKING
JAWLESS FISHES
ARCHITECTURE OF FISHES AND MERISTICS
TEETH AND SCALES
FISH CLASSIFICATION
100

TWO DESCENDANTS OF A SINGLE NODE ARE CALLED

SISTER GROUP OR TAXA

100

THIS JAWLESS FISH PRODUCES MUCUS/SLIME AS A DEFENSE MECHANISM

HAGFISH

100

BODY SHAPE THAT RESEMBLES A TORPEDO

FUSIFORM

100

WHAT TYPE OF SCALES ARE FOUND IN CARTILAGINOUS FISHES LIKE SHARKS AND RAYS?

PLACOID

100

THE EELS WE CAUGHT ON THE CRUISE BELONG TO THIS ORDER

ANGUILLIFORMES

200

GROUP THAT INCLUDES AN ANCESTRAL LINEAGE AND ALL OF ITS DESCENDANTS  

CLADE/MONOPHYLETIC GROUP

200

LAMPREYS HAVE A SINGLE _____ TOP OF THEIR HEAD THAT THEY USE FOR CHEMORECEPTION

NOSTRIL

200

THIS FIN IS ALSO KNOWN AS THE TAIL FIN, THIS IS THE PRIMARY PROPULSION SOURCE, DRIVING THE FISH FORWARD THROUGH THE WATER

CAUDAL FIN

200

THESE SCALES FIRST APPEARED IN ANCIENT FISHES OVER 400 MILLION YEARS AGO

GANOID

200

THIS ORDER CONTAINS INDIVIDUALS LIKE THE GREAT WHITE SHARK AND THE GOBLIN SHARK

LAMNIFORMES

300

_____ OCCURS WHEN TWO POPULATIONS ARE ISOLATED FROM ONE ANOTHER SO THAT THEY ARE NO LONGER ABLE TO EXCHANGE GENES VIA SEXUAL REPRODUCTION

LINEAGE SPLITTING/CLADOGENESIS/SPECIATION

300

HAGFISH TEETH ARE MADE OF THIS SUBSTANCE

KERATIN

300

MEASURE OF LENGTH THAT ACCOUNTS FOR THE DISTANCE BETWEEN THE TIP OF THE SNOUT TO THE END OF THE HYPURAL PLATE

STANDARD LENGTH

300

WE CAN FIND THIS TYPE OF TEETH IN NEEDLE FISHES

VILLIFORM

300

THIS ORDER CONTAINS THE FLASHLIGHT FISHES

MYCTOPHIFORMES

400

A TRAIT THAT APPEARS SIMILAR IN DIFFERENT SPECIES BUT IS NOT DERIVED FROM A COMMON ANCESTOR

HOMOPLASY

400

LANCELETS ARE _____ (GROUP NAME) THAT SPLIT FROM CHORDATES AROUND 520 MILLION YEARS AGO

CEPHALOCHORDATA

400

THE TAIL OF A TUNA CAN BE CLASSIFIED AS

LUNATE

400

THESE TYPE OF TEETH ARE FLAT AND ARE USED FOR GRINDING AND ARE NOT SUITED AT THE THROAT

MOLARIFORM

400

THE CHIMERAS BELONG TO THIS ORDER

CHIMAERIFORMES

500

SPLITTING CAUSED BY LINEAGE SELECTION FOR AN ECOLOGICAL SPECIALIZATION

SYMPATRIC

500

IN WHICH FISH GROUP DID TRUE JAWS FIRST EVOLVE?

PLACODERMS

500

IN FISH FINS THE ____ ARE MADE OF BONY SEGMENTS AND CAN BE BRANCHED

LEPIDOTRICHIA

500

THIS SCALE LAYER CONTAINS COLLAGEN FIBERS. IT GIVES THE SCALE FLEXIBILITY AND STRENGTH, ALLOWING FOR BODY MOVEMENT

MIDDLE LAYER

500

IN SOUTHERN CALIFORNIA'S CURRENT SYSTEM, THE ABUNDANCE OF MESOPELAGIC FISH IS DOMINATED BY THIS GENUS

CYCLOTHONE