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BIO 202 > LAB EXAM 1 > Flashcards

LAB EXAM 1 Flashcards

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1
Q

What type of symmetry does Phylum Porifera have?

A

Asymmetrical (no symmetry)

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2
Q

Example organism in Phylum Porifera

A

Sponge

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3
Q

central cavity in a sponge

A

spongocoel

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4
Q

ostia

A

opening in sponges (phylum Porifera) that allows water into the sponge

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5
Q

Osculum

A

Phylum Porifera, eliminates water

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6
Q

What are the specialized cells in the spongocoel in sponges?

A

choanocytes

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7
Q

What are choanocytes?

A

flagellated cells that line the spongocoel

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8
Q

What are spicules?

A

skeletal structure of sponges

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9
Q

What is spongin?

A

collagenous protein (Phylum Porifera)

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10
Q

How does the respiratory system work in Phylum Porifera?

A

simple diffusion

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11
Q

How do Phylum Porifera collect food?

A

filter-feeding

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12
Q

Do sponges have tissues?

A

no

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13
Q

How does the Phylum Porifera reproduce?

A

sexual- releasing gametes into the surrounding water

asexual- fragmentation

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14
Q

Phylum Cnidaria symmetry

A

radial

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15
Q

Phylum Cnidaria body cavity

A

acoelomate

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16
Q

acoelomate

A

no body cavity

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17
Q

psuedocoelomate

A

fake body cavity

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18
Q

coelomate

A

body cavity

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19
Q

Phylum Cnidaria diploblast or triploblast?

A

Diploblast

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20
Q

nematocysts

A

specialized stinging cells in Clade Radiata

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21
Q

Two body forms present in Phylum Cnidaria?

A
  1. medusa

2. polyp

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22
Q

What is the medusa form in phylum cnidaria?

A

upside-down cup, mobile

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23
Q

What is the polyp form in phylum cnidaria?

A

sessile, tubular

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24
Q

Phylum Cnidaria symmetry?

A

Radial

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25
Q

Phylum Cnidaria triploblastic or diploblastic?

A

diploblastic

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26
Q

Phylum Cnidaria reproduction?

A

polyp- asexual through budding

medusa- sexual

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27
Q

Classes in Phylum Cnidaria

A

Class Hydrozoa
Class Scyphozoa
Class Cubozoa
Class Anthozoa

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28
Q

Class Hydrozoa example organism

A

Hydra

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29
Q

Class Cubozoa example organism

A

Box Jellyfish

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30
Q

Prominent form in Class cubozoa

A

medusa

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31
Q

Class Scyphozoa example organism

A

True jellyfish

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32
Q

Prominent phase in Class Scyphozoa

A

polyp is stage is reduced, medusa form is majority

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33
Q

Class Anthozoa example organism

A

coral, sea anemones

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34
Q

Class Anthozoa mobility

A

sessile

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35
Q

Reproduction in Class Anthozoa

A

asexual- fragmentation, transverse fission, budding

sexual

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36
Q

Phylums included in Clade Lophotrochozoan

A

Platyhelminthes, Mollusca, Annelida

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37
Q

Phylum Platyhelminthes example organism

A

flatworms

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38
Q

Phylum Platyhelminthes have what kind of symmetry

A

bilateral

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39
Q

Type of digestive system in Phylum Platyhelminthes

A

incomplete, only one opening

40
Q

what phylum is Class Turbellaria in?

A

Phylum Platyhelminthes

41
Q

How do Class Turbellaria reproduce

A

asexually, fission

42
Q

Phylum Mollusca example organisms

A

mollusks, snails

43
Q

Phylum Mollusca symmetry?

A

bilateral

44
Q

Circulatory system of Mollusca

A

open- molluscs, blood isn’t contained in vessels

closed- blood is only in vessels

45
Q

mantle

A

sheath of skin protecting soft parts of organism

46
Q

periostracum

A

outer layer of shell, protection

47
Q

prismatic

A

middle layer of shell

48
Q

nacreous

A

inner layer of shell

49
Q

Class Bivalvia example organism

A

mollusk with two valves

50
Q

umbo

A

oldest part of shell of shell, large hump

51
Q

hinge

A

ligament

52
Q

Class Cephalopoda example organism

A

cuttlefish, nautilus.

53
Q

Key characteristic of class Cephalopoda

A

have a head

54
Q

Is the digestive system in Phylum Mollusca complete?

A

yes

55
Q

Class Gastropoda example organism and phylum

A

snail, Phylum Mollusca

56
Q

Class Polyplacophora example organisms and phylum

A

chiton, has series of 8 plates/segments

57
Q

Phylum Annelida symmetry

A

bilateral

58
Q

Phylum Annelida key characteristc

A

segmented worms

59
Q

Digestive system of Annelids

A

complete

60
Q

Nervous system in Phylum Annelida

A

nerve cord and brain

61
Q

Class Oligochaeta example organism and phylum

A

Earthworm, Phylum Annelida

62
Q

monoecious

A

posses both male and female reproductive organs

63
Q

clitellum

A

large band on earthworm

64
Q

septa

A

segments

65
Q

support system in Phylum Annelida

A

hydrostatic skeleton

66
Q

Phylum Nematoda example organism

A

roundworrms

67
Q

Phylum Nematoda reproductive system

A

dioecious, male has shorter/hooked tail, female is longer with blunt tail

68
Q

Phylum Nematoda body cavity

A

psuedocoelomates

69
Q

Phylum Nematoda key characteristic

A

non-segmented worms

70
Q

What Phylum/Subphylum is a crayfish?

A

Phylum Arthropoda, subphylum Crustacea

71
Q

What are the two body segments of a crayfish?

A

cephalothorax, abdomen

72
Q

What body part tells male/female crayfish apart?

A

swimmerets (male)

73
Q

What phylum/subphylum is the grasshopper?

A

Phylum Arthropoda, subphylum Hexapoda

74
Q

Three body segments of a grasshopper?

A
  1. head
  2. thorax
  3. abdomen
75
Q

Symmetry of grasshopper

A

bilateral

76
Q

What is the key characteristic of Phylum Arthropoda?

A

jointed legs

77
Q

What are the three parts of the grasshopper’s digestive system?

A

foregut, midgut, hindgut

78
Q

forgut

A

mouth, salivary glands, esophagus, crop, gizzard

79
Q

midgut

A

stomach and gastric caeca

80
Q

hindgut

A

intestine, rectum, and anus

81
Q

Reproductive system of subphylum Hexapoda

A

dioecious, egg-laying, live-bearing birth, and also internal fertilization

82
Q

Malpighian tubules

A

work with excretory system in subphylum Hexapoda

83
Q

Phylum Echinodermata example organsim

A

starfish

84
Q

What type of symmetry do echinoderms have?

A

pentamerous radial symmetry (five-points)

85
Q

What is the symmetry of a starfish larvae?

A

bilateral

86
Q

What is the circulatory system in Phylum Echinodermata?

A

water vascular system

87
Q

madreporite

A

how water enters into water vascular system of starfish

88
Q

stone canal

A

small canal that connects madreporite to the ring canal

89
Q

ring canal

A

central canal

90
Q

radial canal

A

canals that go down the length of each arm in starfish

91
Q

ampulla

A

pushes water into the tube feet, creates the suction and helps control movement

92
Q

What class is the starfish?

A

Class Asteroida

93
Q

Do echinoderms have a nervous system?

A

Yes, nerve rings

94
Q

Are starfish mono or dioecious?

A

dioecious

95
Q

what is the support system in Phylum Echinodermata?

A

endoskelton

BIO 202 (3 decks)

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