Biology 172 Lab Final Practical Examination II

• Cnideria, Anthozoa
• anemones
• corals
• no medusa stage
• polyp is both sexual and asexual

• Ctenophora
• comb jellies
• no stinging cells
• 8 rows of cilia
• planktovores

• Platyhelminthes, Turbellaria
• free-living flatworms

• Class Monogenea
• monogentic fluke

• Phylum Annelida
• Class Polychaeta
• marine worms
• Subclass Sedentaria: Christmas tree, spaghettie worm, lungworm
• Subclass Errantia: sandworms, fireworms

bivalve mollusk shell anatomy: umbo, hinge, anterior adductor muscle scar, posterior adductor muscle scar, pallial line.

anatomical features of the soft tissues of a bivalved mollusk: mantle, gills, palps, incurrent siphon, excurrent siphon, anterior adductor muscle, posterior adductor muscle, foot, visceral mass, coelom, intesitine, heart.

anatomical features of the sandworm:  prostomium, peristomium, body segment, parapodium, setae, tentacles, cirri, palps, pharynx, jaws, and eyes.

• arthropoda
• trilobitamorpha
• extinct
• trilobite

• arthropoda
• cheliceriformes
• class chelicerata
• subclass merostomata
• horseshoe crab
• BOOK GILLS

• sea star anatomy: central disk, madreporite, anus, arms, spines,tube feet, ambulacral grooves, mouth, gonad, pyloric caecum (digestive gland),radial canal, ampulla, pyloric stomach (inner circle), and cardiac stomach (outer circle).
• Phylum Echinoermata
• Class asteroiea
• Aristotle's lantern!

• chordata
• urochordata
• tunicates
• larval stage (tadpole stage)
• settles down, becomes sessile

• Phylum Cnideria
• Class Cubozoabox jellies

• Phylum Cnideria
• Class Scyphozoa
• true jellies
• medusa stage dominant

• Phylum Cnideria
• Class Hydrozoa
• Portuguese man-of-war: polymorphic
• polyp stage is dominant
• polyp/medusa: 2 stages
• polyp (sexual)
• medusa (asexual)

• Cnideria
• stinging cells (nematocysts)
• polyp/medusa (2 stages)
• polyp: sexual
• medusa: asexual

moon jelly planula larva

scyphistoma

strobila

medusa

ephyra

• Platyhelminthes
• Trematoda (flat worms)
• adult fluke

sporocyst

rediae

cercariae

Trilobite anatomy: eye, cephalon, thorax, pygidium, dorsal vs. ventral surface

Horseshoe crab anatomy: carapace, opisthosoma, compound eye, chelicerae, pedipalps (first leg between chelicerae and walking legs), walking legs, book gills, telson.

• Spider anatomy: prosoma, opisthosoma, chelicerae, pedipalps, walking legs, book lung opening, spinnerets, spiracle, anus.
• Phylum Arthropoda
• Subphylum Cheliceriformes
• Class Chelicerata
• Subclass Arachnida
• BOOK LUNGS

Crayfish external anatomy: cephalothorax, abdomen, antennules, antennae, chela, walking leg, compound eye.

crayfish mouth anatomy: mandible, maxillae, maxilliped, chela

crayfish internal anatomy: green gland (antennal gland), intestines, cerebral ganglion, gonads.

grasshopper internal anatomy: head, thorax, abdomen, compound eye, antennae, crop, heart, intestine, malpighian tubules, ventral nerve cord, cerebral ganglion, ovary.

Grasshopper external anatomy: walking legs, wings, spiracles.

grasshopper mouth anatomy: mandibles, maxilla, labrum, labium

tunicate anatomy: tunic, incurrent siphon, excurrent siphon, atrium, pharyngeal basket, stomach, intestine.

• shark external anatomy: eye,
• nares (nostrils), mouth, ampullae of Lorenzini, gill slits, spiracle, anterior dorsal fin, posterior dorsal fin, caudal fin (heterocercal tail), anal fin, pectoral fins, pelvic fins, claspers, cloaca (ventral, near pelvic fin)

shark internal anatomy: heart, gills, gill arches, gill rakers, pharynx, esophagus, stomach, intestine, spiral valve, liver, spleen, gonad (testis in male, ovary in female), kidney, and rectal gland.

bony fish anatomy: mouth, eye, nares, operculum, gills, anterior dorsal fin, posterior dorsal fin, caudal fin, anal fin, pectoral fins, pelvic fins, anus, lateral line, scales.

Bony fish internal anatomy: heart, gills, gill arches, gill rakers, pharynx, esophagus, stomach, intestine, swim bladder, liver, spleen (green thing posterior to liver), gonad (testis in male, ovary in female), kidney, and urinary bladder.

frog external anatomy: mouth, eye, nares, tympanum, forelimbs, hindlimbs, cloaca (right between legs)

internal anatomy of frog: cloaca, heart, lungs, pharynx, esophagus, stomach, liver, spleen, gonad, kidney, gall bladder, and urinary bladder.

Eye: cornea, pupil, lens, iris, cilliary process, sclera, choroid, vitreous humor, retina, optic nerve

Integumentary: epidermis, dermis (papillary layer, reticular layer), stratum corneum, stratum basal, hypodermis (adipose tissue), hair follicle, sebaceous gland, sweat gland, erector pili

• 7 cervical
• 12 thoracic
• 5 lumbar

• 7 true
• 3 false
• 2 floating

• leech
• Phylum Annelida
• Class Hirudinea

• mollusca
• polyplacophora
• chitins
• eight plates

• mollusca
• scaphopoda

• Arthropoda
• pycnogonida
• sea spider

• Arthropoda
• Myriapoda
• Chilopoda

• Arthropoda
• Myriapoda
• Diplopoda

• arthropoda
• hexipodia (Uniramia)

• Echinodermata
• Ophirodea
• brittle star
• aristotle's lantern!

• echinodermata
• echinoidea
• sea urchin and sand dollar

• echinodermata
• holothuroidea
• sea cucumber

• echinodermata
• crinodea
• crinoids, feather stars

• chordata
• cephalochordata

chordata, craniata (vertebrates), myxini

• chordata
• craniata (vertebrates)
• cephalaspidomorphi
• parasitic when adults

• chordata
• gnathostomes
• chondrithyes

• chordata
• gnathostomes
• actinopterygii (ostiechthyes)

• chordata
• tetrapods
• amphibia

• chrodata
• tetrapod
• reptilia

• chordata
• tetrapods
• aves

• platypus
• chordata
• tetrapod
• mammalia
• protherian (egg laying - ovoviviparous)

• kangaroo
• chordata
• tetrapod
• mammalia
• metatherian (marsupials: pouch)