Lab Practical Animals

ouchie, mollusks at the end

sponge — porifera

filter feeder, no gut (intracellular digestion), asymmetrical

body with pores, canals, chambers lined with choanocytes; spicules

hydroid — cnidarian

suspension feeder, incomplete two way gut, radial symmetry in polyps (colony asymmetric)

polyp body type, nematocysts

strawberry anemone - cnidaria

predator, incomplete gut, radial

polyp body type, nematocyst

moon jelly - cnidarian

predator, incomplete gut, radial symmetry

polyp and medusae body types and diff stages of development; nematocysts

gorgonian - cnidaria

suspension feeder, incomplete gut, radial symmetry in polyps, colony asymmetric

polyp body type; nematocysts

gian green sea anemone - cnidaria

predator, incomplete gut, radian symmetry

polyp body, nematocysts

upside-down jelly - cnidaria

suspension feeder, incomplete gut, radial

polyp and medusae body types and different stages of development; nematocysts

feather duster worm - annelid

filter feeder, complete gut, bilateral symmetry

feathery feeding appendages; paired setae; segmented body

rag worm - annelid

predator; complete gut, bilateral symmetry

eversible jaws, paired setae, segmented bodies

spaghetti worms - annelid

deposit feeder, complete gut, bilateral

tentacles; paired setae; segmented bodies

earthworm - annelid

deposit, complete, bilateral

segemnted body, paired setae

leeches - annelid

deposit, complete, bilateral

segmented bodies; paired setae; sucker mouthparts

porcelain crab - arthropod (crustacean)

suspension feeder, complete gut, bilateral

tagmata; jointed appendages; cuticular exoskeleton composed of chitin

hermit crab - arthropod (crustacean)

scavenger, predator; complete gut, bilateral

tagmata; jointed appendages; cuticular exoskeleton composed of chitin

gooseneck barnacle - arthropod (crustaceans)

suspension feeder; complete gut; bilateral

tagmata; jointed appendages; cuticular exoskeleton composed of chitin

acorn barnacle - arthropod (crustacean)

suspension feeder; complete gut; bilateral

tagmata; jointed appendages; cuticular exoskeleton composed of chitin

horseshoe crab - arthropods (chelicerates)

predators or scavengers; complete gut; bilateral

tagmata; jointed appendages; cuticular exoskeleton composed of chitin; chelicerae

crab - arthropod (crustaceans)

scavenger/predators; complete gut; bilateral

tagmata; jointed appendages; cuticular exoskeleton composed of chitin

tarantula - arthropod (chelicerate)

predator; complete gut; bilateral

tagmata; jointed appendages; cuticular exoskeleton composed of chitin; chelicerae

cockroach - arthropod (hexapoda)

scavenger; complete gut; bilateral

tagmata; jointed appendages; cuticular exoskeleton composed of chitin

scorpion - arthropod (chelicerates)

predator; complete gut; bilateral

tagmata; jointed appendages; cuticular exoskeleton composed of chitin; chelicerae; fluoresce under UV light

shrimp - arthropod (crustaceans)

predators/scavengers; complete gut; bilateral

tagmata; jointed appendages; cuticular exoskeleton composed of chitin

desert millipede - arthropod (myriapod)

scavenger/grazer, complete gut; bilateral

tagmata; jointed appendages; cuticular exoskeleton composed of chitin; two pairs of appendages per segment

death feigning beetle - arthropoda (hexpoda)

scavenger; complete gut; bilateral

tagmata; jointed appendages; cuticular exoskeleton composed of chitin; holometabolous

painted lady butterfly- arthropod (hexapoda)

nectivore; complete gut; bilateral

tagmata; jointed appendages; cuticular exoskeleton composed of chitin; holometabolous

purple urchin - echinodermata

algal grazer; complete gut; pentaradial

no head or brain; water-vascular system; tube feet; spines; locomotion with movement of spines

sea cucumber - echinodermata

deposit feeder; complete gut; pentaradial

no head or brain; water-vascular system; tube feet; locomotion with tube feet

sand dollar - echinodermata

suspension or deposit feeder; complete gut; pentaradial

no head or brain; water-vascular system; tube feet; spines; locomotion with movement of spines

brittle star - echinodermata

scavenger; incomplete gut; pentaradial

no head or brain; water-vascular system; tube feet may be present; spines may be present; locomotion through arm appendages

bat star - echinodermata

predator, scavenger; complete gut; pentaradial

no head or brain; water-vascular system; tube feet; locomotion through tube feet

pisaster star - echinodermata

predator, scavenger; complete gut; pentaradial

no head or brain; water-vascular system; tube feet; locomotion through tube feet

chocolate chip star - echinodermata

predator, scavenger; complete gut; pentaradial

no head or brain; water-vascular system; tube feet; locomotion through tube feet

solitary tunicate - (invertebrate) chordate

suspension feeder; complete gut, bilateral

two siphons; notochord

compound tunicate - (invertebrate) chordate

suspension feeder; complete gutl bilateral

two siphons; notochord

turban snail - mollusk (gastropod)

grazer, complete gut, bilateral

radula, mantle, shell, foot for locomotion

limpet - mollusk (gastropod)

grazer, complete gut, bilateral

radula, mantle, shell, foot for locomotion

kellet’s whelk snail

predator, complete gut, bilateral

mantle, radula, shell, foot for locomotion

dorid nudibranchs - mollusk (gastropod)

predator, complete gut, bilateral

radula, foot for locomotion, no shell, concentration of cnidocytes

chiton - mollusk (chiton)

grazer, complete gut, bilateral

shell —> 7-8 plates, foot for locomotion, radula

california sea hare - mollusk (gastropod)

grazer, complete gut, bilateral

radula, shell lost/internal, foot for locomotion

aeolid nudibranchs - mollusk (gastropod)

grazer, complete gut, bilateral

shell lost/internal, sequestration of cnidocytes, radula, foot for locomotion

giant rock scallop - mollusk (bivalve)

filter feeder, one way gut, bilateral

foot for locomotion, radula, shell

bay mussel - mollusk (bivalve)

suspension feeder, complete gut, bilateral

foot for locomotion, no radula, shell

smooth washington clam

suspension feeder, complete gut, bilateral

foot for locomotion, radula present, shell