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BIO 051 Lab Practical 2 (LAB 8 - 12)
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What is the name of this structure?• Spicule
Where is this structure produced?• Mesohyl
Name the phylum that these are found in.
• Porifera
Name the genus• Scypha
Name the class• Calcispongiae
Name the phylum• Porifera
Name the Phylum• Porifera
Name the Body Plan• Syconoid
Name structure 1• Incurrent canal
Name structure 2• Radial canal
Name structure 3• Spongocoel
What lines the radial canals?• Choanocytes
Name the class• Calcispongiae
Name Structure 1• Osculum
Name structure 2• Spongocoel
Name structure 3• Choanocyte
Name structure 4• Choanoderm
Name structure 5• Epidermis
What type of cells make up number 5?
• Pinacocytes
1
2
3
4
5
Name the phylum
• Porifera
Name the class
• Demospongiae
What is this structure called?
• Gemmule
What cells can be located inside?
• Archeocytes
What is the outer layer called?
• Shell
What is the opening called?
• Micropyle
Where is this structure produced?
• Mesohyl
How is this structure related to its parent?
• Same genome
Name the phylum• Cnidaria
Name the class• Hydrozoa
These can reproduce via sexual reproduction or _______________
• Budding
Members of this phylum are distinguished by the presence of special cells called _________________ which contain _________________ that are triggered by _________________.
• Cnidocytes; Nematocysts; Cnidocil
What is the name of structure 1?• Spermary
What is the name of structure 2?• Ovary
2
1
Name the phylum• Cnidaria
Name the class• Hydrozoa
Name structure 1• Gastrodermis
Name structure 2• Gastrovascular cavity
Name structure 3• Epidermis
Name structure 4• Mesoglea
What is the purpose of number 4?• It helps support the body.
What kind of cells are in number 4?• None, it is acellular
1
2
34
Name the phylum• Cnidaria
Name the class• Hydrozoa
Name the genus• Gonionemus
What distinguishes this type of jelly?• Presence of a velum
Name the phylum
• Cnidaria
Name the class
• Hydrozoa
Name structure 1
• Velum
Name structure 2
• Radial canal
Name structure 3
• Manubrium
What connects the mouth to the gastrovascular cavity?
• The gullet
Where are the gonads located?
• Along the radial canals
What type of body plan is this?
• Medusa
1 2
3
Name the phylum• Cnidaria
Name the genus• Obelia
What is name of structure 1?• Hydranth
What is the name of structure 2?• Gonangium
What is this type of body plan?• Polyp
1
2
What is the 1st pointer pointing to?• Hydrotheca
What is the 2nd pointer pointing to?• Gonotheca
What is the 3rd pointer pointing to?• Perisarc
What is the 4th pointer pointing to?• Hydrocaulus
What kinds of cells are found in locations 1, 2 and 3?
• None – they are acellular
What is the ciliated larval stage of this species called?
• Planula
1
2
34
Name the phylum• Cnidaria
Name the genus• Physalia
What is the common name of this organism?
• Portuguese man-o-war
Name the class• Hydrozoa
What type of body plan is this?• Polyp (a colony of polyps)
Name the phylum• Cnidaria
Name the class• Scyphozoa
Name the genus• Aurelia
What is the 1st pointer pointing to?• Bell
What is the 2nd pointer pointing to?• Manubrium
What is the 3rd pointer pointing to?• Gonads
What differentiates this jelly from one in the Hydrozoan class?
• No velum
What kind of cells can be found on the tentacles?• Cnidocytes
Medusa reproduce _______________ giving rise to ____________ that produce medusa like ____________.
• Sexually; Polyps; Ephyrae
1
23
Name the phylum• Cnidaria
Name the class• Anthozoa
What is the common name?• Fan coral
What body plan is not found in members of this species class?
• Medusa
Name the phylum• Cnidaria
Name the class• Anthozoa
Name the genus• Metridium
Name the body plan• Polyp
How does this version of a polyp differ from the Hydrozoan polyp?
• The gastrovascular cavity is partitioned by septa,
Name the phylum• Cnidaria
Name the class• Anthozoa
Name the genus• Aiptasia
How many embryonic germ layers do members of this phylum have?
• 2
Name the Phylum• Platyhelminthes
Name the class• Trematoda
Name the species• Clonorchis sinensis (liver fluke)
Identify the pointers
1. Mouth/Oral sucker
2. Pharynx
3. Esophagus
4. Intestines
5. Ventral sucker
6. Seminal receptacle
7. Uterus
8. Ovary
9. Testes
1
2
3
4
5
67
8
9
Name the phylum• PlatyhelminthesName the class• TurbellariaWhat is the 1st pointer pointing to?• EpidermisWhat is the 2nd pointer pointing to?• ParenchymaWhat is the 3rd pointer pointing to?• GastrodermisWhat is the 4th pointer pointing to?• Ventral nerve cordsIs this organism free living or parasitic?• Free livingWhat makes up the epidermis?• Cuboidal cells with inter-spread unicellular glands that secrete mucus or adhesives
1
2
3
4
What are these?• Proglottids
Name the phylum• Platyhelminthes
Name the class• Cestoda
Identify the pointers:
1. Uterus
2. Testes
3. Vagina
4. Sperm Duct
5. Genital Pore
6. Ovaries
7. Yolk
Which part of the proglottid forms first?• Male parts
1
2
3
4
5
6
7
Name the phylum• Nematoda
What is the species?• Ascaris lumbricoides
What is the sex of worm 1?• Male
What is the sex of worm 2?• Female
1 2
Phylum• Nematoda
Species• Ascaris lumbricoides
Sex• Female
Identify the pointers
1. Vagina
2. Uteri
3. Ovary
4. Pseudocoel
5. Oviduct
6. Intestine
1
23
45
6
Phylum• Nematoda
Species• Ascaris lumbricoides
Sex• Male
Identify the pointers
1. Seminal vessical
2. Intestine
3. Testes
4. Sperm duct
1 2
3
4
Name the phylum• Nematoda
Name the genus• Ascaris
Identify the sex• Female
Identify the pointers
1. Eggs
2. Dorsal nerve cord
3. Intestine
4. Excretory canal
2
1
3
4
Name the phylum• Nematoda
Name the genus• Ascaris
Identify the sex• Male
Identify the pointers
1. Dorsal nerve cord
2. Intestine
3. Testes
4. Ventral nerve cord
1
2
3
4
Name the phylum• Annelida
Name the class• Oligochaeta
Name the species• Lumbricus terrestris
Identify the sex• Hermaphroditic
Identify the pointers
1. Pumping vessel
2. Metanephridia
3. Dorsal blood vessel
4. Mouth
5. Pharynx
6. Esophagus
7. Seminal vesicles
8. Crop
9. Gizzard
10. Intestine
1 23
4 5 67 8 9
10
Name the phylum• Annelida
Name the class• Oligochaeta
Name the species• Lumbricus terrestris
What types of muscles does this organism have?
• Longitudinal and circular
Identify the pointers1. Circular muscle2. Epidermis3. Cuticle4. Intestine5. Typhlosole6. Ventral nerve cord7. Dorsal blood vessel8. Longitudinal muscle
What is the purpose of number 5?• Increases surface area in the
intestine to absorb more nutrients
1
2
3
4
5
6
78
Identify the phylum• Annelida
Identify the class• Hirudinea
Identify the genus• Haemopis
Identify the phylum• Annelida
Identify the class• Polychaeta
Identify the genus• Aphrodita
What is the common name of this organism?
• Sea mouse
Identify the phylum• Annelida
Identify the class• Polychaeta
Identify the genus• Leipdonotus
What is the common name of this organism?
• Scale worm
Identify the phylum• Annelida
Identify the class• Polychaeta
Identify the species• Nereus virens
What is the common name of this organism?
• Clam worm
Identify the phylum• Nematoda
Identify the species• Ascaris lumbricoides
What is the common name of this species?
• Pig roundworm
Identify the phylum• Platyhelminthes
Identify the class• Trematoda
Identify the species• Fasciola hepatica
What is the common name of this species?
• Sheep liver fluke
Identify the phylum• Mollusca
Identify the class• Polyplacophora
What is the common name of this type of organism?
• Chiton
How many shell plates are there?
• 8
Identify the pointers
1. Anus
2. Foot
3. Mantle
4. Mantle Cavity / Gills
5. Radula / Mouth
6. Head
1 2 3 45 6
Name the phylum• Mollusca
Name the class• Bivalvia
Identify the pointers
1. Foot
2. Mantle
3. Gills
4. Incurrent siphon
5. Excurrent siphon
6. Anus
1
2
34
5
6
On this clam, number 1 represents the _______________ side and number 2 represents the _____________ side.
• Anterior; Posterior
Molluscs have a/an _____________ circulatory system.
• Open1 2
On this clam, number 1 represents the ____________ side and number 2 represents the ____________ side.
• Dorsal; Ventral
On this clam, the area closest to number __ is the oldest.
• 2
What is the pointer pointing to?• The umbo
1
2
What are these?• Glochidia
What phylum are they found in?• Mollusca
Where are they discharged?• Excurrent siphon
Describe what these are• Larval stage of bivalve
Name the phylum• Mollusca
Name the class• Gastropoda
Name the genus• Helix
Rotation of visceral mass by 90 degrees is called what?
• Torsion
Name the phylum• Mollusca
Name the class• Cephalopoda
This class differs from the others in that it has a _______________.
• Closed circulatory system / eyes
A portion of the foot forms the ____________ through which water is forcibly expelled.
• Funnel
Identify the phylum• Arthropoda
Identify the subphylum• Crustacea
Identify the class• Decapoda
What is the pointer pointing to?• Telson
Why is the telson not a tail?• A tail is post anal
The telson is flanked by a pair of _______.• Uropods
How many pairs of appendages are there?• 19
Name the genus• Macrobrachium
Identify the pointers
1. Eye
2. Carapace
3. Maxillipeds
4. Periopods
5. Pleopods (swimmerets)
6. Telson
Number 3 and number 5 are what types of appendages?
• Biramous
Number 4 is what kind of appendage?• Chelate
A biramous appendage consists of a ________, _______, & _______.
• Protopodite; Exopodite; Endopodite
12
3
45
6
1
2
3
45
6
7
8
Identify the pointers
1. Circumesophagial connective
2. Digestive gland
3. Green gland
4. Esophagus
5. Cardiac Stomach
6. Pyloric stomach
7. Gonads
8. Supraesophagial ganglion
Identify the phylum• Arthropoda
Identify the subphylum• Chelicerata
Identify the class• Meristomata
Identify the genus• Limulus
What is the common name of this organism?
• Horseshoe crab
What is the first pointer pointing to?• Carapace
What is the second pointer pointing to?• Abdominal shield
2
1
Identify the phylum• Arthropoda
Identify the subphylum• Chelicerata
Identify the class• Arachnida
Identify the phylum• Arthropoda
Identify the subphylum• Uniramia
Identify the class• Chilopoda
Identify the phylum• Arthropoda
Identify the subphylum• Uniramia
Identify the class• Insecta
Identify the phylum• Arthropoda
Identify the subphylum• Uniramia
Identify the class• Diplopoda
Name the phylum• Echinodermata
Name the class• Asteroidea
Members of this phylum move by using what?
• Tube feet
What structure is the pointer pointing to?• The Madreporite
Identify the pointers
1. Madreporite
2. Pyloric stomach
3. Rectal caeca
4. Cardiac stomach
5. Pyloric caeca
6. Pyloric duct
7. Gonads
8. Radial canal
9. Ampullae
What is everted to eat prey?• Cardiac stomach
What is the purpose of the pyloric caeca?• It is part of the digestive system
1
2 3
4
56
789
What is the best term to describe the structures labeled 1?
• Trivium
What is the best term to describe the structures labeled 2?
• Bivium
1
2 3
4
56
789
1
2
Identify the pointers
1. Tube feet
2. Mouth
3. Ambulacral groove1
2 3
4
56
789
1
2
12
3
Identify the pointers
1. Dermal branchiae
2. Ossicle
3. Pedicellaria
What are the functions of structures 1 and 2?
1. They function as gills
2. They function as spines
1
2 3
4
56
789
1
2
12
3
1
2
3
Identify the phylum• Echinodermata
Identify the class• Ophiuroidea
What are members of this class commonly called?
• Brittle stars
1
Identify the phylum• Echinodermata
Identify the class• Echinoidea
What is the rigid shell called?• A test
What is the jaw apparatus of a sea urchin called?
• Aristotle’s lantern
Identify the phylum• Echinodermata
Identify the class• Echinoidea
What is the rigid shell called?• A test
Identify the phylum• Echinodermata
Identify the class• Holothuroidea
What are members of this class commonly called?
• Sea cucumbers
What are the tube feet around the mouth modified into?
• Tentacles
What features characterize the phylum Chordata?
• Presence of a notochord• Dorsal, hollow nerve cord• Pharyngeal slits• Muscular post-anal tail
?
Identify the phylum• Chordata
Identify the subphylum• Urochordata
What are members of this subphylum commonly known as?
• Tunicates
Identify the phylum• Chordata
Identify the subphylum• Cephalochordata
What are members of this group commonly known as?
• Lancelets
Identify the phylum• Chordata
Identify the class• Cephalaspidomorphi
What are members of this group commonly known as?
• Lampreys
Identify the phylum• Chordata
Identify the class• Myxini
What are members of this group commonly known as?
• Hagfish
2
3
Identify the phylum• Chordata
What term most accurately describes these two types of chordates?
• Agnathans
What does Agnathan mean?• Lacking jaws
2
3
1
2
Identify the phylum• Chordata
Identify the pointer• Spiral valve
This structure serves the same purpose as the ___________ found in ______________.
• Typhlosole; earthworm
2
3
2
Identify the phylum• Chordata
Identify the class• Chondrichthyes
The skeletons of the members of this class are composed of ______________.
• Cartilage
Identify the phylum• Chordata
Identify the class• Chondrichthyes
What is the common name of this organism?
• Skate
Identify the phylum• Chordata
Identify the class• Chondrichthyes
What is this structure called?• Clasper
What is the sex of this organism?• Female
Identify the phylum• Chordata
Identify the class• Osteichthyes
What is this group commonly reffered to as?
• Bony fishes
What are the gills covered with?• An operculum
Identify the phylum• Chordata
Identify the class• Amphibia
Identify the phylum• Chordata
Identify the class• Reptilia
What differentiates reptiles from amphibians?
• The scaly integument
Identify the phylum• Chordata
Identify the class• Aves
Members of this class are the only animals with _______________.
• Feathers
Feathers function in flight and _________.• Insulation
Identify the phylum• Chordata
Identify the class• Mammalia
Members of this class are the only animals with _______ and _________.
• Hair ; Mammary glands
Identify the pointers
1. Cloacle aperture
2. Pectoral fins
3. Anal fin
1
23
Identify the pointers
1. Mouth
2. Nostrils
3. Eye
4. Gill rakers
5. Gill filaments
6. Vertebrae
7. Dorsal fin
8. Dorsal fin
9. Caudal fin
10. Anal fin
11. Urinary bladder
12. Cloaca
13. Gonad
14. Dorsal aorta
15. Intestine
16. Pelvic fin
17. Stomach
18. Pancreas
19. Pyloric ceaca
20. Liver
21. Heart
22. Bulbus arterious
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