Zoology Practical

Front 1

Phylum Platyhminthes

Back 1

Free-living aquatic and parasitic flatworms. Soft bodied, bilaterally symmetric. Triploblastic tissue, acoelomate.

Front 2

Phylum Platyhminthes Class Turbellaria (planarian)

Back 2

Mostly free-living, carnivorous aquatic forms. Ciliated epidermis

Front 3

Phylum Platyhminthes Class Turbellaria (planarian) External Features

Back 3

Eyespots, gastrovascular cavity, pharynx, mouth, and Auricles

Front 4

Phylum Platyhelminthes Class Turbellaria (planarian). Cross-Section

Back 4

Epidermis, gastrovascular cavity, mesoderm, pharynx, cilia, and the pharyngeal cavity

Front 5

Phylum Platyhelminthes Class Turbellaria Auricle

Back 5

Sensory structures used to detect dissolved chemicals in water

Front 6

Phylum Platyhelminthes Class Turbellaria Pharynx

Back 6

Muscular extension of gastrovascular cavity for feeding

Front 7

Phylum Platyhelminthes Class Turbellaria Acoelomate

Back 7

No coelom central space filled with tissue (mesoderm)

Front 8

Phylum Platyhelminthes Class Turbellaria Monoecious

Back 8

Referring to an organism that contains both male and female reproductive structures

Front 9

Phylum Platyhelminthes

Class Trematoda (Flukes)

Back 9

Parasitic with wide range of invertebrate hosts. Suckers for attachment to host.

Front 10

Phylum Platyhelminthes Class Trematoda --> Clonorchis sinensis (Human Liver Fluke)

Back 10

Oral Sucker, ventral sucker, pharynx, testes, uterus, gastrovascular cavity, excretory pore, yolk glands

Hint 10

Primary Host: humans Secondary Host: snail or fish

Front 11

Phylum Platyhelminthes Class Trematoda Fasciola hepatica (sheep liver fluke)

Back 11

Oral sucker, ventral sucker, testes

Front 12

Phylum Platyhelminthes Class Trematoda Fasciola hepatica Pharynx

Back 12

Muscular tube for pumping in the blood and body fluids from host

Front 13

Phylum: Nematoda (roundworms )

Genus: Ascaris

Back 13

Pseudocoelom with complete digestive tract. Usually dioecious. Free-living and parasitic members

Front 14

Phylum Nematoda Genus Ascaris Features

Back 14

Mouth, pharynx, pseudocoelm, anus, cuticle, lateral line, spicules (male), seminal vesicle (male), and uterus (female)

Front 15

Phylum Platyhelminthes Class Cestoda (tapeworms)

Back 15

Parasitic in most vertebrate hosts. Complex lifecycle with intermediate and multiple hosts. Obtains food using microtriches (minute projections covering body surfaces)

Front 16

Phylum Platyhelminthes Class Cestoda (tapeworms)

Features

Back 16

Scolex, hooks, suckers, neck, immature proglottids, mature proglottids, Gravid proglottids

Front 17

Phylum Mollusca

Back 17

Four major morphological features : shell, mantle, visceral mass, and foot

Front 18

Phylum Mollusca Class Bivalvia

External Features

Back 18

Anterior, Posterior, Dorsal, Ventral

Front 19

Phylum Mollusca Class Bivalvia Dissection

Back 19

Incurrent siphon, excurrent siphon, gills, mantle and shell, heart, kidney, foot,visceral mass, adductor muscles, labial palps, mouth, stomach, digestive gland, intestine, gonad

Front 20

Phylum Mollusca Class Bivalvia Incurrent and Excurrent Siphons

Back 20

Extendable fleshy tubes that transport water into and out of the body

Front 21

Phylum Mollusca Class Bivalvia. Viceral Mass

Back 21

Pouch that houses several major internal organs

Front 22

Phylum Mollusca Class Bivalvia. Labial Palps

Back 22

Fleshy falls of skin located near the mouth that collect food particles from the gills and transport them to the mouth

Front 23

Phylum Mollusca Class: Cephalopoda

Back 23

Marine predators. Foot separated into tentacles and arms. Well developed eyes.

Hint 23

Squid

Front 24

Phylum: Mollusca Class: Cephalopoda

Features

Back 24

Collar, eye, siphon, mantle, arms, tentacles, fins, gills, rectum, ink sac, retractor muscles, cecum, systematic heart, branchial hearts.

Front 25

Phylum Mollusca Class Cephalopod. Systematic Heart

Back 25

Large, muscular ventricle that receives oxygenated blood from the gills and pumps it throughout the body

Front 26

Phylum Mollusca Class Cephalopod. Branchial Hearts

Back 26

Smaller muscular chambers that received deoxygenated blood from all parts of the body and pump blood to the gills

Front 27

Phylum Annelids

Back 27

Segmented worms. True coelom . Closed circulatory system. Complete digestive tract.

Front 28

Phylum Annelid Class Polychaeta Anatomy

Back 28

Dorsal blood vessel, intestine, coelom, parapodium, setae

Hint 28

Sand worm

Front 29

Phylum Annelids Class Oligochaete

Back 29

Mouth, clitellum (middle squishy thing), pharynx, esophagus, crop, gizzard, intestine,hearts, nephridia, septa, ovaries , seminal vesicles

Front 30

Phylum Annelids Class Oligochaete Cross-Section

Back 30

Dorsal blood vessel, intestine, coelom, ventral nerve cord, epidermis, circular muscle, longitudinal muscle , typhlosole

Hint 30

Earthworm

Front 31

Phylum Annelids Class Hirudinea Features

Back 31

Anterior sucker, mouth, pharynx, intestine, posterior sucker, anus

Hint 31

Leeches