ZOO Lab Practical 1 (actual)

Phylum Porifera

Class: Calcarea

Scypha -cross section

Phylum: Porifera

Class: Calcarea (=Calcispongiae)

Scypha (=Grantia) sp.

Euplectella aspergillum - Venus' Flower Basket

Phylum: Porifera

Class: Hexactinellida

Phylum Cnidaria

Class Hydrozoa

Hydra sp. - model

Phylum: Cnidaria

Class: Hydrozoa

Hydra sp.

Female Cross Section

Phylum: Cnidaria

Class: Hydrozoa

Hydra sp.

Male Cross Section

Phylum: Cnidaria

Class: Hydrozoa

Physalia physalia

Phylum: Cnidaria

Class: Scyphozoa

Aurelia sp.

Planula Larva

Phylum: Cnidaria

Class: Scyphozoa

Aurelia sp.

scyphistoma larva (polyp stage)

Phylum: Cnidaria

Class: Anthozoa

Collection (museum box) of horny and stony corals

What is the basic difference between Horny Corals and Stony Corals?

Stony corals: build hard calcium carbonate skeletons

Horny corals: build flexible skeletons made of a protein called gorgonin, often reinforced with microscopic bone-like structures called sclerites.

Phylum: Cnidaria

Class: Anthozoa

Stony Corals - Various types

Scypha sp. longitudinal section

Phylum: Porifera

Class: Calcarea

Sponge Skeleton

Phylum: Porifera

Class: Demmospongiae

Spongilla sp. - gemmules

Phylum: Porifera

Class: Demospongiae

Hydra oligactis - whole mount

Phylum: cnidaria

Class: Hydrozoa

Hydra oligactis

Brown hydra - cross-section turtox

Phylum: Cnidaria

Class: Hydrozoa

Live hydra

Phylum: Cnidara

Class: Hydrozoa

Class: Hydrozoa

Phylum: Cnidaria

Obelia Medusa

Flagellates

Volvox sp. - Microgametes are disk-like rafts of tiny cells

Volvox - colonies containing zygotes

Produced by sexual reproduction during autumn

Protozoa- Flagellates

Giardia lamblia

Protozoa - The Ciliates

Paramecium - model

Observe: pellicle, oral groove, food vacuoles, macronucleus, micronucleus, cilia

Protozoa - The Ciliates

Paramecium - conjugation

Protozoa - The Ciliates

Didinium sp.

Sheep liver fluke - adult

(Fasciola hepatica)

Phylum: Platyhelminthes

Class: Trematoda

Schistosoma - male and female adult

Blood fluke

Phylum: Platyhelminthes

Class: Trematoda

Clinostomum

"Black spot" infection of fishes

Platyhelminthes - Trematoda

Sheep liver fluke - Metacercaria stage (Fasciola)

Phylum: Platyhelminthes

Class: Trematoda

Black spot infection in fish

Human liver fluke - Ova or egg (Clonorchis sinensis)

Phylum: Platyhelminthes

Class: Trematoda

Tapeworm scolex

Phylum: Platyhelminthes

Class: Cestoda

Tapeworm model

Phylum: Platyhelminthes

Class: Cestoda

Tapeworm of cats and dogs - larva

Phylum: Platyhelminthes

Class: Cestoda

Tapeworm of dogs and cats - Adult ~preserved

Phylum: Platyhelminthes

Class: Cestoda

Beef Tapeworm - cross section (Taenia saginata)

Phylum: Platyhelminthes

Class: Cestoda

Dugesia "planaria" whole mount

Phylum: Platyhelminthes

Class: Turbellaria

genus Dugesia

"Human liver fluke"

Phylum: Platyhelminthes

Class: Trematoda (Flukes)

Genus: Clonorchis

Phylum: Platyhelminthes

Class: Turbellaria

Model

Echinostome fluke whole mount

Phylum Platyhelminthes (flatworms)

Class: Trematoda

Dugesia Cross Section

Phylum: Platyhelminthes

Class: Turbellaria

Monogenean Fish Fluke

Phylum: Platyhelminthes

Class: Monogenea

Clonorchis Sinesis: Radiae and Cercariae

Phylum: Playthelminthes

Class: Trematoda

(Playthelminthes Trematoda) sheep liver fluke

(Playthelminthes Cestoda) tapeworm egg

(Cnidaria hydrazoa) Obelia sp. polyp form

(Cnidaria hydrazoa) hydra sp. w/ ovary/teste

(Cnidaria hydrazoa) Physalia physalia (manowar)

Preserved jellyfish in water dish

Cnidaria Scyphozoa Aurelia sp.

(Cnidaria scyphozoa) Aurelia sp. Medusa

(

Cnidaria Scyphozoa) Aurelia sp. strobila polyp

(Cnidaria Scyphozoa) Aurelia sp. ephyra medusa

CaCO3

Leucosolenia (porifera calcarea)

-

What are the spicules made of?

Sponge skeleton (Porifera demospongiae)

Amoeba proteus

Entamoeba Histolytica-Whole mount

Arcella sp

testate ameba

Foraminifera (tests)

testate ameoba

Radiolaria (tests)

testate ameoba

Euglena (live)

flagellate

Flagellates

Volvox sp. - macrogametes visible

Trypansoma gambiense

ameoba

Plasmodium falciparum

Apicomplexans

Paramecium caudatum

ciliates

Stentor sp.

class: ciliate

Globigerina (tests)

testate amoeba

Protozoa - The Ciliates

Paramecium sp. - bianary fission

Volvox globator (sexual stages/daughter colonies)

(Playthelminthes Cestoda) tapeworm - Gravid proglottid

(Playthelminthes Cestoda) tapeworm - mature proglottid

(Playthelminthes cestoda) Tapeworm - immature proglottid

human liver fluke metacercaria phase