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40 Cards in this Set

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Phylum Porifera

Sponges , sessile(except when larvae)


3 cell layers


Filter feeding


Asymmetrical


No tissue


Spicule(skeleton subunit structure)

Poress

Animalia

Multicellular


External digestion


No cell wall


Sexual repro


Tissue, not sponge


Symmetry,not sponge

Sponge - class Calcarea

Skeletal spicules made of calcium carbonate

Sponge - class hexatinellida

Glass sponge, vase like form, solitary, deepwater


Spicules, 6 point and siliceous

Sponge- class demospongiae

Largest class of sponges, include bath sponges, very bright, skeleton made of siliceous spicules,fibers

Phylum Cnidaria

Symmetrical


Tissues 2 layers


Nematocysts, stinging cells


Radial symmetry


Class Scyphozoa

Phylum- cnidaria


Jellyfish ,medusa

Class anthozoa

Phylum Cnidaria


ONLYpolyp stage, complex body wall.


Coral,sea anemones

Class hydrozoa

Polyp,

Phylum Ctenophora

Comb jellies, older than sponge


Radial symmetry


Biolumenescent cilia


2 layer

Prostomates

First opening mouth, blastophore becomes mouth

Phylum platyhelminthes

Flat worms, bilateral symmetry


No respiratory, skeletal or circulatory system


3 cell layers, ectoderm, mesoderm, endoderm

Class Turbellaria

Free living flatworms ,planarians. Middle has cavities

Class Trematoda

Parasitic, flukes

Class cercomeromorpha

Phylum, platyhelminthes


All parasitic, tape worms


Proglottids, segmented eachhas reproductive system


Phylum Rotifera

Freshwater microorganisms, marine


Corona,cilia around mouth


Looks like wheel turning,

Phylum Annelida

Segmented worms, earth worms,


Body cavity, controlled movement,


Class Polychaeta

Many hairs, largest annelids class, marine worms, well developed head, 2 eyes, 2 tentacles, second segemnt 4 pairs of lateral tentacles

Class Clitellata

Few hairs, earth worm,digestive,reproductive, circulatory,excretory system

Class Clitellata

Leeches, has blood anti coagulants that keep human blood flowing while sucks

Phylum arthropoda

Jointed appendages


Chitin exoskeleton


Subphylum Chelicerata

Phylum Arthropoda


Pincers , claws

Class Merostomata

Phylum Arthropoda


Subphylum Chelicerata


Horseshoe crab

Class Arachnida

Spider, scorpion,


2 body region


Pair of chelicerae 4 pair legs

Subphylum myriapoda

Many Feet

Class Chilopoda

Phylum Arthropoda


Subphylum Myriapoda, many feet


CENTIPEDE

Class Diplopoda

Phylum Arthropoda


Subphylum Myriapoda


Millipedes

Subphylum Mandibulata

Phylum Arthropoda


Mouth parts to get food

Class crustacea

Phylum Arthropoda


Subphylum Mandibulata


Crabs, lobsters, crayfish, pill bug, shrimp

Class Insecta/Hexapoda

Insects. ,most diverse group of organisms. More insect species than any phylum


Body parts 3


Head


Thorax


Abdomen


2pair wings


3pair legs


Pair antennae

Deurostomates

Spiky

Phylum Echinodermata

Radially Symmetrical


Calcareous endoskeleton w spines


All marine


Only Echinoderms have water vascular system, motion,eat,breath


Class Asteroidea

Phylum Echinodermata


All marine


Radial symmetry


STARFISH


Class Echinoidea

Phylum Echinodermata


Skeletal plates fused solid, sea urchins, sand dollars

Class Holothuroidea

Phylum Echinodermata


Sea cucumbers ,reduced skin look differ than others


Class Ophiuroidea

Phylum Echinodermata


5 arms


Central disk


Brittle stars Serpent star


Class crinoidea

Oldest echinoderms


Sea lilies


Feather stars

Phylum Hemichordata

Acorn worms have circulatory sys. Heart


Gill like for breathing


Phylum Chordota

MOST HIGHLY DEVELOPED


1. Notochord, supports nerve chord become vertebrat3 in adults mostly


2.pharyngeal gill slits,suspension feeding divices in invertebrate . Gas exchange, jaw support, hear


3. Dorsal hollow nerve cord, become central nerv. Syst. Brain and spine


4. Post anal tail, in all embryos



First two seen in all adults not human

Subphyla vertebrate

Phylum chordata


Backbone


Superclass- fish


Superclass Tetrapoda- terrestrial


Class Agnatha- jawless, eels,hagfish


Class chondrichthyes- sharks,rays


Class Osteichthyes- cod,tuna,bass,bony fish



Superclass- land, 4 limbs


Superclass- land, 4 limbs


Superclass- land, 4 limbs