Final Exam Jeopardy 2

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Nematoda Mollusca Echinodermata Arthropoda Chordata

Final Jeopardy

What type of body plans do

Nematodes possess?

Acoelomate, Pseudocoelomate,

or Coelomate

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Pseudocoelomate

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The following are characteristics of

phylum Nematoda except

a. Pseudocoelomates

b. Mostly parasitic

c. Deuterostomes

d. Dioecious

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Deuterostomes

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What is the difference

between Eutely & Epitoky?

7 Eutely - A rare condition in which all

members of a particular species

contain the exact same number of cells

in their bodies

Epitoky – cloning oneself and allowing

those clones to breed to create the next

generation

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What is the life cycle of the

Ascaris worm?

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1. Eggs accidentally ingested

2. Larvae break out of digestive tract

and move to lungs via blood

3. Cough up larvae and swallow back

into digestive tract

4. Adults mature and eggs pass in

feces

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How do you contract the following

nematodes?

Wuchereria

Trichinella

Loa loa

Hookworms

Dracunculus

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Wuchereria – Mosquito

Trichina – Undercooked Pork

Loa loa – Loa loa Fly

Hookworms – Burrow into foot

Dracunculus – water

contaminated with copepods

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Define the following Terms…

Mantle

Radula

Chromatophores

13 Mantle - the special cell layer that

secretes the shell in mollusks

Radula - the rasping tongue found in

many mollusks

Chromatophores - the special cells

found in cephalopods that allow them

to change color at will

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How do pearls form?

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A grain of sand is caught

between the shell and

mantle and shell is

layered around the grain

of sand until it becomes a

pearl

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How do the following mollusks

obtain their food?

Oysters

Abalone

Squid

Cone Snails

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Oysters – filter feeders

Abalone – radula

Squid – tear flesh with beak

Cone Snails – venomous harpoon

Name an organisms in

each of the following

Molluscan Classes

Polyplacophora

Bivalvia

Gastropoda

Scaphopoda

Cephalopoda

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Polyplacophora - Chitons

Bivalvia – Clams, oysters, etc…

Gastropoda – Snails, conchs, etc…

Scaphopoda – Tusk shells

Cephalopoda – Squid, octopus, nautilus

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The following are all true of

Echinoderms except…

a. Possess water vascular systems

b. No head or brain

c. Arms in multiples of 5

d. Protostomes

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Protostomes

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Trace the path that water

takes through the water

vascular system

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Madreporite

Stone Canal

Ring Canal

Radial Canal

Ampullae

Tube Feet

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How do the following Echinoderms

obtain their food?

Sea Urchins

Sea Stars

Brittle Stars

Sea Cucumbers

29 Sea Urchins – bite off pieces of kelp

with teeth

Sea Stars – extend stomach outside

body

Brittle Stars – suspension feeding to

grab floating plankton

Sea Cucumbers – shovel sand into

mouth & extract organics

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List an organism found in each of the

following 5 echinoderm Classes

Asteroidea

Holothuroidea

Crinoidea

Echinoidea

Ophiuroidea

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Asteroidea – Sea Stars

Holothuroidea – Sea Cucumbers

Crinoidea – Sea Lilies

Echinoidea – Urchins & Sand Dollars

Ophiuroidea – Brittle & Basket Stars

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What kinds of venom do the

black widow and the brown

recluse possess?

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Black widow – Neurotoxin

Brown recluse - Necrotoxin

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What 3 structures are used for

respiration in various

arthropods across the

Arthropod Phylum?

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Trilobita & Crustacea - Gills

Chelicerata - Book lungs

Hexapoda & Myriapoda - Spiracles

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What kinds of organisms are in

the following Arachnid Orders?

Aranae

Acari

Scorpiones

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Aranae – Spiders

Acari – Ticks & Mites

Scorpiones – Scorpions

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What kinds of organisms are in the

following Arthropod Subphyla?

Trilobita

Chelicerata

Myriapoda

Crustacea

Hexapoda

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Trilobita - Trilobites

Chelicerata – Arachnids &

Horseshoe Crabs

Myriapoda – Centipedes & Millipedes

Crustacea – Lobsters, shrimp, & crabs

Hexapoda – Insects

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Define each insect Order and provide

an example of an insect in each

Hemiptera

Coleoptera

Diptera

Orthoptera

Homoptera

Hymenoptera

41 Hemiptera – Half Wing (true bugs)

Coleoptera – Shield Wing (beetles)

Diptera – Two Wing (flies)

Orthoptera – Straight Wing

(grasshoppers)

Homoptera – Same Wing (cicadas)

Hymenoptera – Membrane wing (bees)

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Acorn Worm

Lancelet

Sea Squirt

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What type of organism is the

only living member of the

Phylum Hemichordata?

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Acorn Worms

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What types of organisms are

found in Subphylum

Cephalochordata and

Urochordata?

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Cephalochordata - Lancelets

Urochordata - Sea Squirts

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Urochordates seem to “de-evolve”

as they grow into adults. In what

ways is this “de-evolution”

apparent?

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They lose their cephalization,

mobility, and notochord while almost

losing the nerve cord completely

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Name the seven

characteristics that all

Chordates have in common

in at least part of their life.

51 Post-anal Tail

Notochord

Dorsal, hollow nerve chord

Segmented muscles

Deuterostomes

Pharyngeal gill slits

Bilateral symmetry

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