Term
| crustacean arthropods are in what subphylum |
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Definition
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Term
| 3 unique characteristics of the subphylum crustacea |
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Definition
-gill breathing
-2 pairs of antennae
-2 pairs of maxillae |
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Term
| characteristics of crayfish |
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Definition
-chitin
-6 segments in abs
-hardy
-live in freshwater environments
-omnivorous
-largest amount is in southern gulf cost |
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Term
| function of appendages of crayfish on page 144 |
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Definition
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Term
| barnacles in what subphylum and subclass? |
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Definition
subphylum crustacea
subclass cirripedia |
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Term
| fairy shrimp in what order? |
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Definition
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Term
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Definition
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Term
| daphina is used for what and is under which order? |
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Definition
| -order cladocera, commonly used for ecotoxology studies |
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Term
| basic anatomy of phylum mollusca (6) |
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Definition
- true coelomates
-bilateral symmetry
-head/foot body organization
-complete organ systems
-open circulatory system
-has radula(special function for scraping up food) |
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Term
| class bivalvia. whos in it? how do they eat? what phylum? sex? how do they move? |
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Definition
-clams, oysters, mussels
-filter feeders
-phylum mollusca
-dioecious
-engorging foot w. blood & using combo of musculature and hydraulics to move |
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Term
| study diagrams on page 108-112 |
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Definition
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Term
| class gastropoda: who are they? use what for locomotion? sex? |
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Definition
-pulmonate land snails;slugs
-mucous secreting gland that allows movement
-monoecious
-has radula |
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Term
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Definition
| specialized feeding organ |
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Term
| class cephalopoda: whos in it? sex? 2 more characteristics |
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Definition
-squids, octopi, cuttlefish, nautili, etc
-dioecious
-can be venomous
-contain siphon |
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Term
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Definition
| connected to class cephalopoda, modified foot for ejecting water for propulsion |
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Term
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Definition
| outgrowth of body wall, may secrete protective shell, different locations depending on class,forms cavity containing gills/lungs. |
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Term
| the chelicerate arthropods are in what phylum |
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Definition
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Term
| the chelicerates are what kinds of animals? |
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Definition
| spiders,scorpions, and allies |
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Term
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Definition
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Term
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Definition
| head, thorax, and abs of insects |
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Term
| characteristics of phylum arthropoda(9) |
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Definition
-jointed appendages
-metamerism
-tagmata
-bilateral symmetry
-cephalization
-true coelom
-triploblastic development
-exoskeleton
-sriated muscles for rapid movement |
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Term
| what do arthropods use for gas exchange? |
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Definition
| gills and trachial system |
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Term
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Definition
| subphylum and class characteristics on of arthropoda |
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Term
| chelicerae; what subphylum uses these instead of mandibles? |
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Definition
specialized appendages used for seizing and tearing
-subphylum chelicerata |
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Term
| 3 characteristics of subphylum chelicerata |
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Definition
-2 part body- cephalothorax and abs
-no antennae
-chelicerae |
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Term
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Definition
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Term
| horseshoe crabs characteristics 3+ reproduction |
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Definition
-marine
-live on east coast of america
-feed on worms, molluscs, and dead fish
-agregate in shallow water>mother lays eggs in depression in sand of high tide and male sprays sperm all over>eggs hatch as free swimmers>develop through a series of molts |
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Term
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Definition
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Term
| main characteristics of annelids: who are they? 3+ plus circulatory system? |
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Definition
earthworms, leeches, polychaetes
-complete mouth/anus digestive tracts
-segmentation
-metamerism
closed circulatory |
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Term
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Definition
| division of coelomatic activity into fluid filled compartments, increase usefulness of hydrostatic pressure for efficient locomotion good hydrostatic skeleton(used for burrowing, creeping, and swimming) |
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Term
| classification of annelids based on: |
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Definition
| nephridia, clittelum,parapodia, setae, and annuli |
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Term
| class polychaeta: whos in it? what does it mean? |
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Definition
bristleworms and feather worms, tubeworms, clam worms (nereis)
means many long hairs |
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Term
| class oligchaeta: whos in it? whats it mean? characteristics(5) what kind of circulatory system? sex? |
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Definition
| earthworms, means few long hairs..moist, rich soils;perisomium;clitellum;monoecious;closed circulatory system |
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Term
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Definition
| mature worms secrete egg capsules where eggs are laid |
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Term
| class hirudinida: whos in it? what does it mean? what kind of enviroment? |
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Definition
-leeches
-no hair
-freshwater |
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Term
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Definition
| combines number of segments (in hirudinida) |
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Term
| phylum echinodermata important characteristics(6) |
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Definition
-dermal exoskeleton
-water vascular system
-all marine invertebrates
-all organ systems present
-pentaradiate symmetry(body parts arranged radially and in fives)
-larvae of bilateral symmetry |
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Term
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Definition
| powers tube feet for locomotion |
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Term
| class asteroidea: who is it? locomotion? reproduction? nervous system? |
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Definition
sea stars
nervous-nerve ring(around mouth)&radial nerves(in arms)
reproduction-dioecious
locomote via tube feet |
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Term
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Definition
| crown of thorns,destroys reefs |
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Term
| class ophiuroidea: who? locomotion? sex? feeding? |
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Definition
-brittle stars
-dioecious
-active predators and depostite feeders |
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Term
| class echinoidea: who are they? locomotion? feeding? symmetry? |
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Definition
sea urchins
-use tube feet
-herbivores
-radial symmetry
-contain armanent suggesting ECHINOS(hedgehog) |
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Term
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Definition
| class echinoidea, sea urchins mouths contain five converging teeth called this |
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Term
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Definition
| many minute pores used for the function of water vascular system |
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Term
| class holothuriodea: who is it? locomotion?sex? endoskeleton made mostly of |
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Definition
sea cucumbers
-mouth and anus at opposite ends
-water vascular system moves modified tentacles for locomotion
-dioecious external fertilization
-calcereous ossicles |
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Term
| to be a chordate you must have(5): |
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Definition
| NOTOCHORD;PHARYGNEAL GILL SLITS;DORSAL TUBULAR NERVE CORD;ENDOSTYLE;POSTANAL TAIL |
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Term
subphylum cephalochordata: who is it?
circulatory system? feeding habits? respiration? |
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Definition
-lancelets
-closed
-feed through oral hood w. oral tentacles & velar tentacles that have chemeoreceptor cells
-water enters mouth, filters through gills,then out atriopore |
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Term
| the three classes of subphylum urochordata |
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Definition
ascidiacea-sea squirts
thaliacia-salpians
appendicularia |
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