Zoology lab exam ii

Zoology Lab Exam II

Phylum Porifera

Ostium

Incurrent canal (blue)

apopyle

spongocoel

osculum

Radial canal (yellow)

Mesohyl(pink space in between)Prosopyle (vertical line

Can’t see in picture)

Gemmules 100x

spongin

spicules

w.M 100x

Incurrent canal Choanocyte

chambers

Excurrent canal

c.s. 40x

spongocoel

l.s. 40x

spongocoel

Oscula (osculum)

L.S 100x

Phylum porifera

spongin

10.5x

spongocoelapopyle

prosopyle

radial canal

Incurrent canal

Phylum Cnidaria

Class Hydrozoa

Gastrovascular cavity

Epidermis = outer layerGastrodermis = inner lining Mesoglea = stuff in the middle of the 2 bud Gastrovascular cavity

tentacles

100x

40x

Class Hydrozoa

hydranth

polyp

gonangium

medusa

Gastrovascular cavity

40x

Medusa 100x

Class Hydrozoa

Gastrovascular cavity

Mesoglea

epidermis

Gonads

TentacleMouth

Gastrodermis

Bud

Cnidocil

Nematocyst

Cnidocyte

Barb

Filament

Class Scyphozoa

Adult medusa

Planula 100x

Scyphistoma 40x

Strobila 40x

Ephyra 40x

Class Anthozoa

tentacles

Gastrovascular cavity(gastrodermisAll around edges)

pharynx

septa

Pedal disk

Oral disk

septa

Gastrovascular cavity(gastrodermisCovers everything inside)

epidermis

10.5x

C.S.

L.S.

Class Anthozoa

Oral disk

epidermis

gastrodermis

gonads

Septal perforation(ostium)

Tentacles

acontia

Gastrovascular cavity

Pedal disk

septa

Pharynx

Phylum Platyhelminthes

Class Turbellaria

Pharynx

Gastrovascular cavity

Auricle

Ocelli (eye spot)

40x

400x c.s.

Circular muscle

Longitudinal muscle

Gastrovascular cavity

Dorsoventral muscle

Class Turbellaria

Gastrovascular cavity

Ciliapharynx

100x c.s.

Cilia

Excretory canal

Gastrovascular cavity

Flame cells

Yolk gland

testes

Circular muscle

Longitudinal muscle

Dorsoventral muscleoviduct

epidermis

Class Turbellaria

OcelliOvary

testes

penisCircular muscle

Longitudinal muscle

Cerebral gangliaFlame cells

Excretory canals

pharynx

epidermis Gastrovascular cavity

auricle

Class Turbellaria

Gastrovascular cavity oviduct Yolk glands

penis

Epidermis and cilia

Auricle

mouth

pharynx

Class Trematoda

Adult 40x

miracidia

Sporocyst 400x

Redia 40x

Cercariae 40x

metacercariae

Class Trematoda

LIVER FLUKE

Class Cestoda: whole body = strobila

Scolex40x

Immature proglottids Mature male

proglottids

Genital pore

testes

Genital pore

ovary

Mature female proglottids

Class Cestoda

Gravid proglottids 40x

Male mature proglottids

scolexsucker

Immatureproglottids

Genital pore

Testes (little dots)

Class Cestoda

Genital pore

Gravid proglottids

Mature female proglottids

ovary

Phylum Mollusca

GastropodaBivalvia

Cephalopoda Class Polyplacophora

Class Gastropodaeye

tentacle

shellMantle cavity intestine

heart

footoviduct

Class Gastropoda (snail radula)100x w.m.

Class Gastropoda

Class BivalviaAnterior footretractor muscle

umboAnterior adductor muscle

Mouth

foot

Labial palps

esophagusDigestive glands

gonadsauricle

kidney

gills

Pallial muscle/line

Mantle/ mantle cavity

Suprabranchial chamber

Posterior adductormuscles

Posterior footretractor muscles

rectum

Heart/ventricalPericardium(membrane)

gills

Digestivegland

Pallial muscle (line is under) Crystalline style

foot

Anterior adductor muscleAboveAnterior foot retractor muscle

Posterior adductor muscleAbove Post. Foot retractor muscle

Labial palps

kidney

Gonads Near C.S.

Class Bivalvia

Pallial muscle

Pallial line

mantle

Suprabranchialchamber

auricle

pericardiumventricle

rectum

kidney

Mantle cavity

gills

Lines of growth

FOOT

gonads

Class Bivalvia

100x w.m.

Class Polyplacophora

Class Cephalopoda

Cecum

Ink gland

pen

Lateral finsTube that goes in Is funnel

gills

Gonads are yellow stuff

Branchial hearts

Systemic heart

beak

radula

PallialCartilage

Arms are shorter than tentaclesVisceral mass is everything on insideMantle cavity is the space Mantle is membrane

Phylum Annelida

Kingdom Anamalia Phylum Annelida

Class Polychaeta

Class Clitellata, subclass Oligochaeta

Class Clitellata, subclass Hirudinea

Class Polychaeta

Dorsal cirrus

notopodium

setae

neuropodium

Ventral cirrus

40x

Class Clitellatasubclass Oligochaeta

Seminal Receptacles Seminal

VesiclesSepta

CuticleEpidermisCircular mus.Longitudinal mus.

Class Clitellatasubclass Oligochaeta

Dorsal vessel

Typhlosole

peritoneum

setae

Longitudinal muscle

Circular muscle

Coelom

Cuticle

nephridium

intestine

Ventral nervecord

Class Clitellatasubclass Oligochaeta

Ventral nervecord

typhalosole

gizzard

crop

Seminal vesicles

Seminal receptacles

Dorsal Blood vessel

pharynxCerebral ganglia

mouth

esophagus

prostomium

coelom

Aortic arches

septum

intestine

Peristomium = the first segment

Aortic archesBlack line = Dorsal blood vesselUnder is esophagus

prostomium

peristomium

intestine

crop

Cerebral ganglia

gizzard

pharynx

Seminal receptacles

seminalvesicles

PeritoneumMembranein between septa

Setae = little hairsSepta = lines

Under intestine= ventral nerve cordWhite line

The “u” = the typhlosole

cuticle

epidermis

setae Longitudinal mus.

Ventral nerve cordtyphlosole

Circular mus.

Dorsal blood vesselcoelom

Lumen ofintestine

40x

Class Clitellata Subclass Hirudinea

Class Clitellata Subclass Hirudinea

40x

Phylum Nematoda

400x

worms

Longitudinal muscleintestine

uterus

oviduct

pseudocoelom

cuticle

epidermis

Phylum Arthropoda

Subphylum Chelicerata; class Merostomata

telson

Book gills

Walking legs

pedipalp

chelicerae

prosoma

abdomen

Subphylum Chelicerata; class Merostomata

telson

Compound eye

Simple eye

prosoma

abdomen

Subphylum Chelicerata; class Arachnida

eyes

pedipalp

cheliceraeProsoma(cephalothorax)

Abdomen(opisthosoma)

Subphylum Chelicerata; class Arachnida

pedipalp

Chelicerae (hold fangs)

pedicel

Lung slit

Walking legs

spinnerets

prosoma

abdomen

Subphylum Trilobitomorpha: extinct

Subphylum Crustacea

Class Branchiopoda: daphnia, fairy shrimp, brine shrimpClass Maxillopoda: copepods cyclops:

Class Malacostraca: crabs, lobster, shrimp

Subphylum Crustacea; class Malacostraca

https://www.dropbox.com/s/8j5qgl7oziq9ow6/20130319_153156.mp4

anus

Carapace = outer shellRostrum is shell on head area

Bigger pinchers=cheliped

telson

Digestive glands covered in Gonads

gills

Abdominal extensor muscle on topOf flexor muscle (go down sides)

Antennae are longer than antennules

Subphylum Crustacea;class Malacostraca

gonads

heartAbdominal Extensor muscles

gills

carapace

Abdominal Flexor muscles

Digestive gland

intestine

stomach

Gastricteeth

cheliped

heartgonadsrostrum Compound eye Hepatopancreas(digestive gland)

DorsalAbdominal artery intestine

anus

AbdominalExtensormusclesAbdominal

flexormuscles

pleopods

telson

uropods

pereiopods

abdomen

cephalothorax ostia

Periopods are on thoraxPleopods are on abdomen

Antennal glands

Mandibular muscle

Supraesophagealganglia

Subphylum Myriapoda; class Chilopoda = Centipedes2 legs per segment, flat, venomous

Subphylum Myriapoda; class Diplopoda4 legs per segment, round, detritivores

Subphylum Hexapoda; class Insecta; superorder ExopterygotaOrder Orthoptera: grasshopper

Order Blattaria: cockroaches Order Hymiptera: true bugs

Tracheae (pink line)crop

Malpighian tubules

spiracle

ovipositer

Subphylum Hexapoda; class Insecta; superorder ExopterygotaOrder Orthoptera

ProthoraxWhere 1st leg is

mesothoraxmetathorax

typanum TrochanterCoxa is around it

Hind wing

forewing

Oviposter = little bumps on endSpiracle = holes on tergum(tergum is the top of lineSternum is under the line)

• 1st set = maxillary palps connected to the maxilla

• 2nd set = labial palps connected to labium

Subphylum Hexapoda; class Insecta; superorder EndopterygotaOrder Coleoptera: beetles Order Lepidoptera: moths/ butterfliesOrder Diptera: flies, gnats, mosquitoes Order Hymenoptera: wasps, bees, ants

Subphylum Hexapoda; class Insecta; superorder EndopterygotaOrder Lepidoptera: moths/ butterflies

Subphylum Hexapoda; class Insecta; superorder Endopterygota

Order Diptera: flies, gnats, mosquitoes

Order Hymenoptera: wasps, bees, ants

Subphylum Hexapoda; class Insecta; superorder Endopterygota

Subphylum hexapodaClass InsectaSuperorder EndopterygotaOrder Hymenoptera

Phylum EchinodermataClass Crinoidea: sea lilies/ feather stars

• Class

• Crinoidea

Class Asteroidea

Class Echinoidea

Class Ophiuroidea

Class Holothuroidea

Cardiac stomach

anus

Rectal ceca

Pyloric stomach

pedicellariae

Dermal branchiae

Pyloric ceca

Lateral canal

coelom

spines

ossicles

Tube feet

Radial canal

ampullae

Ambulacral ridgeGroove is on bottom

Spines

Pyloric ceca

Nerve ring

Ring canal

Stone canal

mouth

Radial canal

Lateral canalRadial nerve

coelom

ossicles

Ambulacral ridge

gonads

ampullae