All classes for Exam 2 Flashcards

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1
Q

Class Calcarea

A

skeleton of calcium carbonate

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2
Q

Class Hexactinellida

A

skeleton of silica

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3
Q

Class Demospongiae

A

skeleton of spongin

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4
Q

Class Hydrozoa

A

hydras, hydroid jellies

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5
Q

Class Scyphozoa

A

True jellies

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6
Q

Class Anthozoa

A

sea anemones, corals

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7
Q

Sub class Zoanthania

A

body parts in sixes; sea anemones and hard corals

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8
Q

Sub class Acyonaria

A

body parts in eights; octocorals

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9
Q

Class Cubozoa

A

sea wasps and box jellies

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10
Q

Class Turbellania

A

free living; planarians

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11
Q

Class Trematoda

A

parasitic fluke worms

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12
Q

Class Cestoda

A

tapeworms

have a scolex & proglottids

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13
Q

Class Scaphopodaa

A

tusk shells

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14
Q

Class Gastropoda

A

snails and seas slugs

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15
Q

Subclass Prosobranchia

A

sea snails

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16
Q

Subclass Pulmonata

A

land snails and slugs

17
Q

Subclass Opistobranchia

A

sea slugs (nudibranchs)

18
Q

Class polyplacophora

A

chitons (have 8 shell plates)

19
Q

Class Bivalvia

A

(2 shell plates)

oysters, clams, scallops, mussels

20
Q

Class Cephalopoda

A

squid, octopi, nautilus

21
Q

Class Polychaeta

A

nereis, feather worms, setae, no clitellum

22
Q

Class Hirudinea

A

leeches, no setae, clitellum

23
Q

Class Oligochaete

A

earthworms & relatives setae, clitellum

24
Q

Class Merostomata

A

horseshoe crabs

25
Q

Class Arachnida

A

8 walking legs; have venoms & eat liquified food

26
Q

Class Pyconogonida

A

sea spiders

27
Q

Class Branchiopoda

A

leg gill

28
Q

Class Maxillopoda

A

has three orders
order ostracoda-bivalved carapace
order copepoda-copepods
order cirripedia-barnacles

29
Q

Class Malacostraca

A

4 orders

30
Q

Order Decapoda

A

crabs, shrimps, lobsters, 10 walking legs

31
Q

Order Stomatopoda

A

mantis shrimp

32
Q

Order Isopoda

A

flattened body “dorsal ventrally”

33
Q

Order Amphipoda

A

flattened laterally “beach fleas”