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Marine Biology > Exam 2 > Flashcards

Exam 2 Flashcards

(52 cards)

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1
Q

What are the five classes of the phylum Cnidarians

A

Hydrozoans, scyphozoans, cubozoans, anthozoans, ctenophores

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2
Q

What is the class of Hydrozoa? What is the phylum?

A

Hydrozoan, phylum: cnidarians

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3
Q

What is the class of jellies? what is their phylum?

A

Scyphozoans, phylum: Cnidarians

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4
Q

What is the class of box jellies? What is the phylum?

A

Cubozoans, phylum: Cnidarians

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5
Q

What is the class of sea anemones and corals? What is the phylum?

A

Anthozoans, phylum: Cnidarians

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6
Q

What is the class comb jellies? Phylum?

A

Ctenophores, phylum: Cnidarians

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7
Q

Anterior?

A

Front

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8
Q

Posterior?

A

Rear

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9
Q

Dorsal?

A

Back

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10
Q

Ventral?

A

Belly

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11
Q

What is the phylum of Flatworms?

A

Platyhelminthes

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12
Q

What is the phylum Ribbon Worms ?

A

Nemerteans

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13
Q

Proboscis

A

Long fleshy, tube used to entangle prey

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14
Q

What is the phylum of segmented worms?

A

Annelida

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15
Q

What is the four animals in Gastropods and what is their phylum?

A

Snails, limpets, abalones, nudibranchs…. phylum: Mollusca

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16
Q

What phylum does bivalves belong under and what are the three animals?

A

Phylum:Mollusca….Claims, mussels, oysters

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17
Q

What animals are in the class Cephalopods and what is their phylum?

A

Octopuses, squids, cuttlefishes, nautiluses… phylum: Mollusca

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18
Q

What is the phylum of Arthropods and what animals are classified under it.

A

Phylum: Mollusca…. Barnacles, shrimp, lobsters, crabs

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19
Q

What is the phylum of sea stars, sea urchins, sea cucumbers, and sea lilies

A

Echinoderms

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20
Q

What is the class and phylum of a sea star

A

Phylum: echinoderms…. Class: asteroids

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21
Q

What is the class and phylum of a brittle star?

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A

Phylum:echinoderm…. class: Ophiuroidea

22
Q

What is the class and phylum of a sea urchins?

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A

Phylum: Echinoderms… Class: Echinoidea

23
Q

What is the class and phylum of sea cucumbers?

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A

Phylum: Echinoderms… Class: Holothuroidea

24
Q

What is the class and phylum of a sea lilies and feathers?

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A

Phylum: Echinoderms… Class: Crinoids

25
Polyp
sac like stage with mouth and tentacles oriented upwards
26
Medusa
up and down polyp adapted from swimming
27
blades
like leaves in seaweeds
28
pneumatocysts
gas filled bladder in seaweeds
29
stipe
steam-like structure
30
what class does green algae under?
chlorophyta
31
What class does brown algae fall under
phaeophyta
32
what does red algae fall under
rhodophyta
33
What class does sponges fall under?
porifera
34
tetrodotoxin
blocks sodium channels causing motor paralysis and respiratory
35
4 things have to have at some point to be considered a chordates
1- nerve cord, 2-gill slits, 3- notocord (for support), 4-post anal tail
36
Agnatha
Jawless fishes: most primitive | Feed by suction
37
Chondrichthyes
Cartilaginous fishes | Sharks, Rays, skates, ratfishes
38
Fusiform body
Torpedo shaped body of a shark
39
Caudal fin
Tale fin
40
Dermersal
Rays and skates | Move around but mostly live on the bottom
41
Pectoral fins
Flat and expanded, skates and rays
42
Chimaeras
Pretending to be something they are not, ratfishes
43
Osteichthyes
``` Class of bony fish, Have operculum (gill covered flap) Homocercal tail ( top and bottom on same) Protrusible jaws (sticking out further) ```
44
Chromolatophores
Colored pigment cells | Change change with environmental stimulus
45
Cryptic coloration
Blending w/ the environment to deceive
46
Disruptive coloration
Using colors stripes, bars, or spots to break up the outline
47
Why do fish move?
To escape predators, find food, to reproduce, flush gills with water
48
Spiracles
Midfield gill slits allows fish to take in water even when mouth is closed
49
Hemoglobin
What oxygen is carried by
50
Lateral line
Systems of canals that run along the body
51
Anadromous fish
Migrate from sea to fresh water | -salmon
52
Catadromous fish
Live in rivers breed in sea

Marine Biology (1 decks)

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