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Invertebrate Zoology > Families > Flashcards

Families Flashcards

1
Q

What are the characteristics of Arthropods

A

Segmented animals with jointed appendages
Exoskeleton

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2
Q

What are the characteristics and examples of the subspecies Crustacea

A

-hard shells
-Many appendages
Ex: Isopods, shrimp, crab, barnacle, and Daphnia

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3
Q

What are the characteristics and examples of the class Chilopoda?

A

-Single pair of antennae
-mandible on head
-15 leg segments with 1 pair of legs attached to each segments
Ex: Centipedes

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4
Q

What are the characteristics and examples of the class Diplopoda?

A

-11 to 100 segments with two pair of legs attached to each segment
Ex: milipede

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5
Q

What are the characteristics and examples of the class Merostomata?

A

Only example is the Horseshoe crab

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6
Q

What are the characteristics of Echinodermata

A

-Spiny skinned
-radially symmetrical
-thin skin covering endo skeleton

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7
Q

What are the characteristics and examples of the class Holothuroidea?

A

-No arms
-soft bodied and flexible
-most have tentacles around mouth
Ex: Sea cucumbers

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8
Q

What are the characteristics and examples of the class Crinoidea

A

-Almost plant like and stuck onto surfaces
Ex: Feather star and sea lilies

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9
Q

What are the characteristics and examples of the class Ophiuroidea?

A

-Slender arms and sharp
Ex: Brittle star and basket star

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10
Q

What are the characteristics and examples of the class Echinoidea?

A

-No arms, but movable spines
Ex: Sand dollars and sea urchins

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11
Q

What are the characteristics and examples of the class Asteroidea?

A

Only sea stars

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12
Q

What are the characteristics of Nematoda?

A

-Thin unsegmented cylindrical bodies tapered at ends
Ex: Round worms

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13
Q

What are the characteristics of Mollusca?

A

-Soft bodied unsegmented animals
-most in shell
-have a muscular foot
-visceral mass with internal organs
-all (except Bivalvia) have a radula

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14
Q

What are the characteristics and examples of the class Bivalvia?

A

-DOES NOT HAVE RADULA
-shells have two halves hinged together
-tend to be sedentary
Ex: Scallops, clams, and cockle

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15
Q

What are the characteristics and examples of the class Gastropoda?

A

-slow moving
-usually have shells (except snails)
-Shell pattern is spiral, cap shaped, or conical
Ex: Snails, slugs, periwinkles, abalone, conches, limpets, and nudibranch

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16
Q

What are the characteristics and examples of the class Cephalopoda?

A

-Fast moving and intelligent
-shell reduced in squid and gone in octopuses
Ex: squid, octopuses, cuttlefish, and chambered nautilus

17
Q

What are the characteristics and examples of the class Polyplacophora?

A

-Oval shaped
-shell spilt into 8
-cling with muscular foot
-Only example is Chiton

18
Q

What are the characteristics and examples of the class Scaphopoda?

A

-Usually live deep in the sand of deep waters
Ex: Tusk shell

Invertebrate Zoology (5 decks)

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