b2121 lct12 04 - einsten · 2014-05-03 · rhizopoda/eugelnozoa arthropoda bio 2121 animal form and...

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Echinodermata BIO2125 Animal form and function 1 BIO 2121 Animal Form and Function Université d’Ottawa / University of Ottawa 09:33 BIO 2121 Animal Form and Function 1 Université d’Ottawa / University of Ottawa Protostomes & Deuterostomes Correcting fig 4.11 and related material Protostomes Protostomes & Deuterostomes Deuterostomes Correcting fig 4.11 and related material Correcting fig 4.11 and related material BIO 2121 Animal Form and Function Université d’Ottawa / University of Ottawa 09:33 BIO 2121 Animal Form and Function 2 Université d’Ottawa / University of Ottawa Protostomes Deuterostomes Blastopore mouth Blastopore anus Spiral cleavage Radial cleavage Determinate cleavage Indeterminate Schizocoelus Enterocoelus Protostomes Protostomes Deuterostomes Deuterostomes Blastopore Blastopore mouth mouth Blastopore Blastopore anus anus Spiral cleavage Spiral cleavage Radial cleavage Radial cleavage Determinate cleavage Determinate cleavage Indeterminate Indeterminate Schizocoelus Schizocoelus Enterocoelus Enterocoelus 1 2 3 4 BIO 2121 Animal Form and Function Université d’Ottawa / University of Ottawa 09:33 BIO 2121 Animal Form and Function 3 Université d’Ottawa / University of Ottawa Blastopore (Gastrulation) Blastopore Blastopore ( Gastrulation Gastrulation) Blastocoel Blastocoel Ectoderm Ectoderm Mesoderm Mesoderm Endoderm Endoderm Blastopore Blastopore Porifera Porifera Cycliophora Cycliophora Cnidaria Cnidaria Ctenophora Ctenophora Sipuncula Sipuncula Mollusca Mollusca Annelida Annelida Onychophora Onychophora Tardigrada Tardigrada Bryozoa Bryozoa Platyhelminthes Platyhelminthes Nemertea Nemertea Rotifera Rotifera Gnathostomulida Gnathostomulida Gastrotricha Gastrotricha Nematoda Nematoda Nematomorpha Nematomorpha Priapulida Priapulida Kinorhyncha Kinorhyncha Loricifera Loricifera Phoronida Phoronida Brachiopoda Brachiopoda Echinodermata Echinodermata Chordata Chordata Hemichordata Hemichordata Arthropoda Arthropoda Protista Protista Lophotrochozoa Ecdysozoa Platyzoa Deuterostomia 1ab 1a Blastopore mouth 1b Blastopore anus 1a Blastopore mouth 1b Blastopore anus BIO 2121 Animal Form and Function Université d’Ottawa / University of Ottawa 09:33 BIO 2121 Animal Form and Function 5 Université d’Ottawa / University of Ottawa Protostomes Deuterostomes Blastopore mouth Blastopore anus Spiral cleavage Radial cleavage Determinate cleavage Indeterminate Schizocoelus Enterocoelus Protostomes Protostomes Deuterostomes Deuterostomes Blastopore Blastopore mouth mouth Blastopore Blastopore anus anus Spiral cleavage Spiral cleavage Radial cleavage Radial cleavage Determinate cleavage Determinate cleavage Indeterminate Indeterminate Schizocoelus Schizocoelus Enterocoelus Enterocoelus 1 2 3 4 BIO 2121 Animal Form and Function Université d’Ottawa / University of Ottawa 09:33 BIO 2121 Animal Form and Function 6 Université d’Ottawa / University of Ottawa Radial cleavage Radial cleavage Radial cleavage hvordan man kan gøre jordnøddesmør fuglefoder

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Page 1: B2121 lct12 04 - Einsten · 2014-05-03 · Rhizopoda/Eugelnozoa Arthropoda BIO 2121 Animal Form and Function Université d’Ottawa / University of Ottawa 09:33 28 What’s new in

Echinodermata

BIO2125 Animal form and function 1

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function1

Université d’Ottawa / University of Ottawa

Protostomes &Deuterostomes

Correcting fig 4.11 and related material

ProtostomesProtostomes &&DeuterostomesDeuterostomes

Correcting fig 4.11 and related materialCorrecting fig 4.11 and related material

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function2

Université d’Ottawa / University of Ottawa

Protostomes Deuterostomes

Blastopore mouth Blastopore anusSpiral cleavage Radial cleavageDeterminate cleavage IndeterminateSchizocoelus Enterocoelus

ProtostomesProtostomes DeuterostomesDeuterostomes

BlastoporeBlastopore mouthmouth BlastoporeBlastopore anusanusSpiral cleavageSpiral cleavage Radial cleavageRadial cleavageDeterminate cleavageDeterminate cleavage IndeterminateIndeterminateSchizocoelusSchizocoelus EnterocoelusEnterocoelus

1

2

3

4

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function3

Université d’Ottawa / University of Ottawa

Blastopore (Gastrulation)BlastoporeBlastopore ((GastrulationGastrulation))

BlastocoelBlastocoel

EctodermEctoderm

MesodermMesoderm

EndodermEndoderm

BlastoporeBlastopore

PoriferaPorifera

CycliophoraCycliophora

CnidariaCnidariaCtenophoraCtenophora

SipunculaSipunculaMolluscaMolluscaAnnelidaAnnelida

OnychophoraOnychophoraTardigradaTardigrada

BryozoaBryozoa

PlatyhelminthesPlatyhelminthes

NemerteaNemertea

RotiferaRotifera

GnathostomulidaGnathostomulidaGastrotrichaGastrotricha

NematodaNematodaNematomorphaNematomorpha

PriapulidaPriapulidaKinorhynchaKinorhynchaLoriciferaLoricifera

PhoronidaPhoronidaBrachiopodaBrachiopoda

EchinodermataEchinodermata

ChordataChordataHemichordataHemichordata

ArthropodaArthropoda

ProtistaProtista

Lophotrochozoa

Ecdysozoa

Platyzoa

Deuterostomia

1ab

1a Blastopore mouth1b Blastopore anus1a Blastopore mouth1b Blastopore anus

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function5

Université d’Ottawa / University of Ottawa

Protostomes Deuterostomes

Blastopore mouth Blastopore anusSpiral cleavage Radial cleavageDeterminate cleavage IndeterminateSchizocoelus Enterocoelus

ProtostomesProtostomes DeuterostomesDeuterostomes

BlastoporeBlastopore mouthmouth BlastoporeBlastopore anusanusSpiral cleavageSpiral cleavage Radial cleavageRadial cleavageDeterminate cleavageDeterminate cleavage IndeterminateIndeterminateSchizocoelusSchizocoelus EnterocoelusEnterocoelus

1

2

3

4

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function6

Université d’Ottawa / University of Ottawa

Radial cleavageRadial cleavageRadial cleavage

hvordan man kan gøre jordnøddesmør fuglefoder

Page 2: B2121 lct12 04 - Einsten · 2014-05-03 · Rhizopoda/Eugelnozoa Arthropoda BIO 2121 Animal Form and Function Université d’Ottawa / University of Ottawa 09:33 28 What’s new in

Echinodermata

BIO2125 Animal form and function 2

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function7

Université d’Ottawa / University of Ottawa

Spiral cleavageSpiral cleavageSpiral cleavage

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function8

Université d’Ottawa / University of Ottawa

Protostomes Deuterostomes

Blastopore mouth Blastopore anusSpiral cleavage Radial cleavageDeterminate cleavage IndeterminateSchizocoelus Enterocoelus

ProtostomesProtostomes DeuterostomesDeuterostomes

BlastoporeBlastopore mouthmouth BlastoporeBlastopore anusanusSpiral cleavageSpiral cleavage Radial cleavageRadial cleavageDeterminate cleavageDeterminate cleavage IndeterminateIndeterminateSchizocoelusSchizocoelus EnterocoelusEnterocoelus

1

2

3

4

PoriferaPorifera

CycliophoraCycliophora

CnidariaCnidariaCtenophoraCtenophora

SipunculaSipunculaMolluscaMolluscaAnnelidaAnnelida

OnychophoraOnychophoraTardigradaTardigrada

BryozoaBryozoa

PlatyhelminthesPlatyhelminthes

NemerteaNemertea

RotiferaRotifera

GnathostomulidaGnathostomulidaGastrotrichaGastrotricha

NematodaNematodaNematomorphaNematomorpha

PriapulidaPriapulidaKinorhynchaKinorhynchaLoriciferaLoricifera

PhoronidaPhoronidaBrachiopodaBrachiopoda

EchinodermataEchinodermata

ChordataChordataHemichordataHemichordata

ArthropodaArthropoda

ProtistaProtista

Lophotrochozoa

Ecdysozoa

Platyzoa

Deuterostomia

1ab2a

2b

2a Spiral cleavage2b Radial cleavage2a Spiral cleavage2b Radial cleavage

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function10

Université d’Ottawa / University of Ottawa

Protostomes Deuterostomes

Blastopore mouth Blastopore anusSpiral cleavage Radial cleavageDeterminate cleavage IndeterminateSchizocoelus Enterocoelus

ProtostomesProtostomes DeuterostomesDeuterostomes

BlastoporeBlastopore mouthmouth BlastoporeBlastopore anusanusSpiral cleavageSpiral cleavage Radial cleavageRadial cleavageDeterminate cleavageDeterminate cleavage IndeterminateIndeterminateSchizocoelusSchizocoelus EnterocoelusEnterocoelus

1

2

3

4

PoriferaPorifera

CycliophoraCycliophora

CnidariaCnidariaCtenophoraCtenophora

SipunculaSipunculaMolluscaMolluscaAnnelidaAnnelida

OnychophoraOnychophoraTardigradaTardigrada

BryozoaBryozoa

PlatyhelminthesPlatyhelminthes

NemerteaNemertea

RotiferaRotifera

GnathostomulidaGnathostomulidaGastrotrichaGastrotricha

NematodaNematodaNematomorphaNematomorpha

PriapulidaPriapulidaKinorhynchaKinorhynchaLoriciferaLoricifera

PhoronidaPhoronidaBrachiopodaBrachiopoda

EchinodermataEchinodermata

ChordataChordataHemichordataHemichordata

ArthropodaArthropoda

ProtistaProtista

Lophotrochozoa

Ecdysozoa

Platyzoa

Deuterostomia

1ab2a

3b

3a Determinate3b Indeterminate3a Determinate3b Indeterminate

3a

2b

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function12

Université d’Ottawa / University of Ottawa

Protostomes Deuterostomes

Blastopore mouth Blastopore anusSpiral cleavage Radial cleavageDeterminate cleavage IndeterminateSchizocoelus Enterocoelus

ProtostomesProtostomes DeuterostomesDeuterostomes

BlastoporeBlastopore mouthmouth BlastoporeBlastopore anusanusSpiral cleavageSpiral cleavage Radial cleavageRadial cleavageDeterminate cleavageDeterminate cleavage IndeterminateIndeterminateSchizocoelusSchizocoelus EnterocoelusEnterocoelus

1

2

3

4

Page 3: B2121 lct12 04 - Einsten · 2014-05-03 · Rhizopoda/Eugelnozoa Arthropoda BIO 2121 Animal Form and Function Université d’Ottawa / University of Ottawa 09:33 28 What’s new in

Echinodermata

BIO2125 Animal form and function 3

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function13

Université d’Ottawa / University of Ottawa

Schizocoelous body cavitySchizocoelousSchizocoelous body cavitybody cavity

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function14

Université d’Ottawa / University of Ottawa

Enterocoelic pouchingEnterocoelicEnterocoelic pouchingpouching

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function15

Université d’Ottawa / University of Ottawa

Triparte coelomTriparteTriparte coelomcoelom

ProtocoelProtocoel((ProsomeProsome))

MetacoelMetacoel((MetasomeMetasome))

MesocoelMesocoel((MesosomeMesosome))

PoriferaPorifera

CycliophoraCycliophora

CnidariaCnidariaCtenophoraCtenophora

SipunculaSipunculaMolluscaMolluscaAnnelidaAnnelida

OnychophoraOnychophoraTardigradaTardigrada

BryozoaBryozoa

PlatyhelminthesPlatyhelminthes

NemerteaNemertea

RotiferaRotifera

GnathostomulidaGnathostomulidaGastrotrichaGastrotricha

NematodaNematodaNematomorphaNematomorpha

PriapulidaPriapulidaKinorhynchaKinorhynchaLoriciferaLoricifera

PhoronidaPhoronidaBrachiopodaBrachiopoda

EchinodermataEchinodermata

ChordataChordataHemichordataHemichordata

ArthropodaArthropoda

ProtistaProtista

Lophotrochozoa

Ecdysozoa

Platyzoa

Deuterostomia

1ab2a

3b

4a Schizocoelus4b Enterocoelus4a Schizocoelus4b Enterocoelus

3a

2b4b 4b

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function17

Université d’Ottawa / University of Ottawa

Protostomes Deuterostomes

Blastopore mouth Blastopore anusSpiral cleavage Radial cleavageDeterminate cleavage IndeterminateSchizocoelus Enterocoelus

ProtostomesProtostomes DeuterostomesDeuterostomes

BlastoporeBlastopore mouthmouth BlastoporeBlastopore anusanusSpiral cleavageSpiral cleavage Radial cleavageRadial cleavageDeterminate cleavageDeterminate cleavage IndeterminateIndeterminateSchizocoelusSchizocoelus EnterocoelusEnterocoelus

1

2

3

4

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function18

Université d’Ottawa / University of Ottawa

Phylum EchinodermataPhylum Phylum EchinodermataEchinodermata

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Echinodermata

BIO2125 Animal form and function 4

PoriferaPorifera

CycliophoraCycliophora

CnidariaCnidariaCtenophoraCtenophora

SipunculaSipunculaMolluscaMolluscaAnnelidaAnnelida

OnychophoraOnychophoraTardigradaTardigrada

BryozoaBryozoa

PlatyhelminthesPlatyhelminthes

NemerteaNemertea

RotiferaRotifera

GnathostomulidaGnathostomulidaGastrotrichaGastrotricha

NematodaNematodaNematomorphaNematomorpha

PriapulidaPriapulidaKinorhynchaKinorhynchaLoriciferaLoricifera

PhoronidaPhoronidaBrachiopodaBrachiopoda

EchinodermataEchinodermata

ChordataChordataHemichordataHemichordata

ArthropodaArthropoda

ProtistaProtista

Lophotrochozoa

Ecdysozoa

Platyzoa

Deuterostomia

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function20

Université d’Ottawa / University of Ottawa

Star fishStar fishStar fish

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function21

Université d’Ottawa / University of Ottawa

Brittle starsBrittle starsBrittle stars

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function22

Université d’Ottawa / University of Ottawa

Sea urchinsSea urchinsSea urchins

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function23

Université d’Ottawa / University of Ottawa

Basket starsBasket starsBasket stars

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function24

Université d’Ottawa / University of Ottawa

Basket starsBasket starsBasket stars

Page 5: B2121 lct12 04 - Einsten · 2014-05-03 · Rhizopoda/Eugelnozoa Arthropoda BIO 2121 Animal Form and Function Université d’Ottawa / University of Ottawa 09:33 28 What’s new in

Echinodermata

BIO2125 Animal form and function 5

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function25

Université d’Ottawa / University of Ottawa

Sand dollarsSand dollarsSand dollars

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function26

Université d’Ottawa / University of Ottawa

Sea cucumberSea cucumberSea cucumber

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function27

Université d’Ottawa / University of Ottawa

Numbers of speciesNumbers of speciesNumbers of species

Echinodermata

Ciliophora

ChordataMollusca

PlatyhelminthesNematoda

PoriferaAnnelida

Other

ApicomplexRhizopoda/Eugelnozoa

Arthropoda

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function28

Université d’Ottawa / University of Ottawa

What’s new in EchinodermataWhatWhat’’s new in s new in EchinodermataEchinodermata

Radial symmetry (secondary)– adaptation to a sessile existence– pentaradiate symmetry

Water vascular systemEndoskeletonAbsence of an excretory system

Radial symmetry (secondary)– adaptation to a sessile existence– pentaradiate symmetry

Water vascular systemEndoskeletonAbsence of an excretory system

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function29

Université d’Ottawa / University of Ottawa

Ancient EchinodermsAncient EchinodermsAncient Echinoderms

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function30

Université d’Ottawa / University of Ottawa

Ancestral echinodermsAncestral echinodermsAncestral echinoderms

Page 6: B2121 lct12 04 - Einsten · 2014-05-03 · Rhizopoda/Eugelnozoa Arthropoda BIO 2121 Animal Form and Function Université d’Ottawa / University of Ottawa 09:33 28 What’s new in

Echinodermata

BIO2125 Animal form and function 6

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function31

Université d’Ottawa / University of Ottawa

Echinoderm surfacesEchinoderm surfacesEchinoderm surfaces

Aboral surfaceAboral surface Oral surfaceOral surface

Tube feet andambulacral groove

Tube feet andTube feet andambulacral ambulacral groovegroove

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function32

Université d’Ottawa / University of Ottawa

What’s new in EchinodermataWhatWhat’’s new in s new in EchinodermataEchinodermata

Radial symmetry (secondary)– adaptation to a sessile existence– pentaradiate symmetry

Water vascular systemEndoskeletonAbsence of an excretory system

Radial symmetry (secondary)– adaptation to a sessile existence– pentaradiate symmetry

Water vascular systemEndoskeletonAbsence of an excretory system

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function33

Université d’Ottawa / University of Ottawa

Water vascular systemWater vascular system

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function34

Université d’Ottawa / University of Ottawa

Role of the water vascular systemRole of the water vascular systemRole of the water vascular system

LocomotionCirculation RespirationExcretion

LocomotionCirculation RespirationExcretion

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function35

Université d’Ottawa / University of Ottawa

Tube feet and spinesTube feet and spinesTube feet and spines

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function36

Université d’Ottawa / University of Ottawa

Water vascular systemWater vascular systemWater vascular system

MadreporiteMadreporiteMadreporite

Ring canalRing canalRing canalStone canalStone canalStone canal

Radial canalRadial canalRadial canalLateral canalLateral canalLateral canalTube feetTube feetTube feetPolian

vesiclesPolianPolian

vesiclesvesicles

Tiedemann’sbodies

TiedemannTiedemann’’ssbodiesbodies

Page 7: B2121 lct12 04 - Einsten · 2014-05-03 · Rhizopoda/Eugelnozoa Arthropoda BIO 2121 Animal Form and Function Université d’Ottawa / University of Ottawa 09:33 28 What’s new in

Echinodermata

BIO2125 Animal form and function 7

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function37

Université d’Ottawa / University of Ottawa

Tube footTube footTube foot

Lateral canalLateral canalLateral canal

AmpullaAmpullaAmpulla

Body wallBody wallBody wallTube footTube footTube foot

Retractor musclesRetractor Retractor musclesmuscles

SuckerSuckerSucker

Podial musclePodialPodial musclemuscle

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function38

Université d’Ottawa / University of Ottawa

Movement of tube feetMovement of tube feetMovement of tube feet

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function39

Université d’Ottawa / University of Ottawa

What’s new in EchinodermataWhatWhat’’s new in s new in EchinodermataEchinodermata

Radial symmetry (secondary)– adaptation to a sessile existence– pentaradiate symmetryWater vascular systemEndoskeletonAbsence of an excretory system

Radial symmetry (secondary)– adaptation to a sessile existence– pentaradiate symmetryWater vascular systemEndoskeletonAbsence of an excretory system

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function40

Université d’Ottawa / University of Ottawa

Body wallBody wallBody wall

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function41

Université d’Ottawa / University of Ottawa

Dermal branchiaDermal Dermal branchiabranchia

SpineSpineSpineCiliaCiliaCilia

Echinoderm body wallEchinoderm body wallEchinoderm body wall

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function42

Université d’Ottawa / University of Ottawa

PedicellariaPedicellariaPedicellaria

SpineSpineSpine

PedicellariaPedicellariaPedicellaria

Dermalbranchia

DermalDermalbranchiabranchia

Page 8: B2121 lct12 04 - Einsten · 2014-05-03 · Rhizopoda/Eugelnozoa Arthropoda BIO 2121 Animal Form and Function Université d’Ottawa / University of Ottawa 09:33 28 What’s new in

Echinodermata

BIO2125 Animal form and function 8

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function43

Université d’Ottawa / University of Ottawa

Digestive systemDigestive systemDigestive system

Cardiac stomachCardiac stomachCardiac stomachPyloric stomachPyloric stomachPyloric stomach

AnusAnusAnus

Digestive glandDigestive glandDigestive gland

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function44

Université d’Ottawa / University of Ottawa

Sea starSea starSea star

Cardiac stomachCardiac stomachCardiac stomach

MouthMouthMouth

Pyloric stomachPyloric stomachPyloric stomach

Pyloric cecumPyloric Pyloric cecumcecum

GonadGonadGonad AnusAnusAnus

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function45

Université d’Ottawa / University of Ottawa

FeedingFeedingFeeding

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function46

Université d’Ottawa / University of Ottawa

Reproductive systemReproductive systemReproductive system

GonadGonadGonad

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function47

Université d’Ottawa / University of Ottawa

Sea star armSea star armSea star arm

SpineSpineSpine

Digestive glandDigestive glandDigestive gland

GonadGonadGonad

Tube footTube footTube foot

Dermal branchiaDermal Dermal branchiabranchia

CoelomCoelomCoelom

OssicleOssicleOssicle

BIO 2121 Animal Form and Function

Université d’Ottawa / University of Ottawa 09:33

BIO 2121 Animal Form and Function48

Université d’Ottawa / University of Ottawa

Quick question:Quick question:Quick question:

How are you studying differently for this midterm compared to the first?

How are you studying differently for this midterm compared to the first?