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Marine Biology > Exam 2 > Flashcards

Exam 2 Flashcards

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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?

A

Phylum:echinoderm…. class: Ophiuroidea

22
Q

What is the class and phylum of a sea urchins?

A

Phylum: Echinoderms… Class: Echinoidea

23
Q

What is the class and phylum of sea cucumbers?

A

Phylum: Echinoderms… Class: Holothuroidea

24
Q

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

A

Phylum: Echinoderms… Class: Crinoids

25
Q

Polyp

A

sac like stage with mouth and tentacles oriented upwards

26
Q

Medusa

A

up and down polyp adapted from swimming

27
Q

blades

A

like leaves in seaweeds

28
Q

pneumatocysts

A

gas filled bladder in seaweeds

29
Q

stipe

A

steam-like structure

30
Q

what class does green algae under?

A

chlorophyta

31
Q

What class does brown algae fall under

A

phaeophyta

32
Q

what does red algae fall under

A

rhodophyta

33
Q

What class does sponges fall under?

A

porifera

34
Q

tetrodotoxin

A

blocks sodium channels causing motor paralysis and respiratory

35
Q

4 things have to have at some point to be considered a chordates

A

1- nerve cord, 2-gill slits, 3- notocord (for support), 4-post anal tail

36
Q

Agnatha

A

Jawless fishes: most primitive

Feed by suction

37
Q

Chondrichthyes

A

Cartilaginous fishes

Sharks, Rays, skates, ratfishes

38
Q

Fusiform body

A

Torpedo shaped body of a shark

39
Q

Caudal fin

A

Tale fin

40
Q

Dermersal

A

Rays and skates

Move around but mostly live on the bottom

41
Q

Pectoral fins

A

Flat and expanded, skates and rays

42
Q

Chimaeras

A

Pretending to be something they are not, ratfishes

43
Q

Osteichthyes

A 
Class of bony fish, 
Have operculum (gill covered flap) 
Homocercal tail ( top and bottom on same)
Protrusible jaws (sticking out further)
44
Q

Chromolatophores

A

Colored pigment cells

Change change with environmental stimulus

45
Q

Cryptic coloration

A

Blending w/ the environment to deceive

46
Q

Disruptive coloration

A

Using colors stripes, bars, or spots to break up the outline

47
Q

Why do fish move?

A

To escape predators, find food, to reproduce, flush gills with water

48
Q

Spiracles

A

Midfield gill slits allows fish to take in water even when mouth is closed

49
Q

Hemoglobin

A

What oxygen is carried by

50
Q

Lateral line

A

Systems of canals that run along the body

51
Q

Anadromous fish

A

Migrate from sea to fresh water

-salmon

52
Q

Catadromous fish

A

Live in rivers breed in sea

Marine Biology (1 decks)

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