Bio Lab Quiz - Echinoderms and Beginning Chordata

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Last updated 2:54 PM on 4/13/26

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176 Terms

1

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What does Echinodermata mean

prickly skin

2

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examples of organisms in phylum echinodermata

sea stars, brittle stars, sea urchins, sea cucumbers, sea lilies

3

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<p>Class ophiuroidea </p>

Class ophiuroidea

brittle stars
use podia, secreting copious amounts of mucus, to capture organic material

4

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<p>class echinoidea (sea urchins) </p>

class echinoidea (sea urchins)

moveable spine
pedicellariae help keep the urchin clean

5

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<p>point 1 on this sea ruchin</p>

point 1 on this sea ruchin

pedicellariae

6

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<p>point 2 on this sea urchin</p>

point 2 on this sea urchin

mouth (with 5 teeth)

7

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<p>what is point 3 on this sea urchin</p>

what is point 3 on this sea urchin

internal part of mouth (Artistotle’s lantern)

8

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9

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<p>what are these </p>

what are these

tests of two different sea urchins

10

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<p>what is this being pointed to on this sea cucumbers</p>

what is this being pointed to on this sea cucumbers

cuverian tubules (deter predators)

11

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What class are sea cucumbers in

holothuroidea

12

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<p>What is being pointed to on this sea cucumber </p>

What is being pointed to on this sea cucumber

evisceration

13

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<p>point 1 on this sea star</p>

point 1 on this sea star

arm

14

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<p>point 2 on this sea star</p>

point 2 on this sea star

central disc

15

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<p>point 3 on this sea star</p>

point 3 on this sea star

madreporite (opening to water vascular system)

16

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what class are sea stars in

Asteroidea

17

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<p>point 1 on this sea star</p>

point 1 on this sea star

papulae (across which O2 is obtained and CO2 is diffused)

18

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<p>point 2 on this sea star</p>

point 2 on this sea star

pedicellariae (help keep sea stars away from unwanted organisms)

19

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<p>point 3 on this sea star</p>

point 3 on this sea star

spines

20

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<p>what is being pointed to on this sea star</p>

what is being pointed to on this sea star

papulae

21

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<p>what is being pointed to on this sea star</p>

what is being pointed to on this sea star

pedicellariae

22

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<p>point 1 on this sea star</p>

point 1 on this sea star

tube feet

23

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<p>point 2 on this sea star </p>

point 2 on this sea star

ambulacral spines (protect tube feet)

24

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<p>point 1 on this sea star</p>

point 1 on this sea star

tube feet

25

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<p>point 2 on this sea star</p>

point 2 on this sea star

mouth

26

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<p>point 3 on this sea star</p>

point 3 on this sea star

ambulacral spines

27

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<p>what is this on the sea star</p>

what is this on the sea star

Eyespot

28

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<p>point 1 on this sea star</p>

point 1 on this sea star

tube foot

29

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<p>point 2 on this sea star</p>

point 2 on this sea star

radial nerve

30

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<p>point 3 on this sea star</p>

point 3 on this sea star

nerve ring

31

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<p>what is pointed to on this sea star</p>

what is pointed to on this sea star

radial nerve

32

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<p>what is point 1 on this sea star</p>

what is point 1 on this sea star

dermal ossicles

33

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<p>point 2 on this sea star </p>

point 2 on this sea star

ampulla of tube foot

34

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<p>point 3 on this sea star</p>

point 3 on this sea star

canal (through which the radial canal runs)

35

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<p>point 4 on this sea star</p>

point 4 on this sea star

podia (of tube feet)

36

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<p>point 1 on this sea star</p>

point 1 on this sea star

pyloric ceca (food digestion and absorption)

37

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<p>point 2 on this sea star</p>

point 2 on this sea star

dermal ossicles

38

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<p>point 3 on this sea star</p>

point 3 on this sea star

podia of tube feet

39

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<p>point 4 on this sea star</p>

point 4 on this sea star

gonad (of sexually mature sea star)

40

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<p>point 1 on this sea star tube foot</p>

point 1 on this sea star tube foot

ampulla

41

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<p>point 1 on this sea star tube foot</p>

point 1 on this sea star tube foot

ampulla muscles

42

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<p>point 3 on this sea star tube foot</p>

point 3 on this sea star tube foot

ossicles

43

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<p>point 4 on this sea star tube foot</p>

point 4 on this sea star tube foot

postural muscles

44

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<p>point 5 on this sea star tube foot </p>

point 5 on this sea star tube foot

retractor muscles

45

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<p>point 6 on this sea star tube foot </p>

point 6 on this sea star tube foot

terminal plate

46

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<p>point 7 on this sea star tube foot</p>

point 7 on this sea star tube foot

levator muscles

47

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<p>point 1 on this sea star</p>

point 1 on this sea star

pyloric stomach (attached to cardiac stomach)

48

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<p>point 2 on this sea star</p>

point 2 on this sea star

pyloric ducts (food moves from stomach to ceca via these)

49

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<p>point 3 on this sea star</p>

point 3 on this sea star

pyloric ceca (food digestion and absorption completed here)

50

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<p>point 1 on this sea star</p>

point 1 on this sea star

pyloric ceca

51

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<p>point 2 on this sea star</p>

point 2 on this sea star

pyloric stomach

52

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<p>point 3 on this sea star</p>

point 3 on this sea star

pyloric ducts

53

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<p>point 1 on this sea star</p>

point 1 on this sea star

ambulacral ridge

54

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<p>point 2 on this sea star</p>

point 2 on this sea star

ampullae of tube feet

55

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<p>what is pointed to on this sea star</p>

what is pointed to on this sea star

gonad (immature sea star)

56

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<p>what is this on the sea star</p>

what is this on the sea star

gonad (of sexually mature sea star)

57

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<p>what is this on the sea star</p>

what is this on the sea star

gastric ligament

58

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<p>what is this on the sea star</p>

what is this on the sea star

gastric ligament

59

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<p>what is this on the sea star</p>

what is this on the sea star

stone canal

60

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<p>what is this on the sea star</p>

what is this on the sea star

madreporite

61

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what subphylum are tunicates in

urochordata

62

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<p>point 1 on this tunicate</p>

point 1 on this tunicate

intestine

63

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<p>point 2 on this tunicate</p>

point 2 on this tunicate

atrial siphon

64

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<p>point 3 on this tunicate</p>

point 3 on this tunicate

oral siphon

65

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<p>what is this on the tunicate larvae</p>

what is this on the tunicate larvae

notochord

66

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what subphylum are lancelets in

cephalochordata

67

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<p>point 1 on this lancelet </p>

point 1 on this lancelet

gill slits

68

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<p>point 2 on this lancelet </p>

point 2 on this lancelet

gill bars

69

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<p>point 3 on this lancelet </p>

point 3 on this lancelet

dorsal nerve cord (with photoreceptor cells, black dots)

70

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<p>point 4 on this lancelet </p>

point 4 on this lancelet

notochord

71

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<p>point 1 on this lancelet</p>

point 1 on this lancelet

notochord

72

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<p>point 2 on this lancelet</p>

point 2 on this lancelet

dorsal nerve cord (with photoreceptor cells)

73

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<p>point 3 on this lancelet</p>

point 3 on this lancelet

gill bars

74

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<p>point 4 on this lancelet</p>

point 4 on this lancelet

gill slits (spaces between gill bars)

75

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<p>point 5 on this lancelet</p>

point 5 on this lancelet

endostyle (produces mucus to trap food)

76

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<p>point 6 on this lancelet </p>

point 6 on this lancelet

velum

77

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<p>point 7 on this lancelet</p>

point 7 on this lancelet

wheel organ (provides current to draw food into mouth)

78

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<p>point 8 on this lancelet</p>

point 8 on this lancelet

oral hood

79

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<p>What is this pointed to on the lancelet </p>

What is this pointed to on the lancelet

wheel organ

80

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<p>point 1 on this lancelet</p>

point 1 on this lancelet

atrium

81

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<p>point 2 on this lancelet</p>

point 2 on this lancelet

gill slit

82

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<p>point 3 on this lancelet </p>

point 3 on this lancelet

gill bar

83

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<p>point 4 on this lancelet</p>

point 4 on this lancelet

pharynx

84

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<p>point 1 on this lancelet</p>

point 1 on this lancelet

gill bar

85

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<p>point 2 on this lancelet</p>

point 2 on this lancelet

intestine

86

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<p>point 3 on this lancelet</p>

point 3 on this lancelet

atriopore (where filtered water exits)

87

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<p>what is this point on the lancelet </p>

what is this point on the lancelet

intestine

88

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<p>point 1 on this lancelet </p>

point 1 on this lancelet

hepatic cecum (phagocytizes food particles)

89

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<p>point 2 on this lancelet</p>

point 2 on this lancelet

gill bars

90

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<p>point 1 on this lancelet </p>

point 1 on this lancelet

endostyle (produces mucus to trap food)

91

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<p>point 2 on this lancelet </p>

point 2 on this lancelet

hypobranchial groove (moves trapped food to intestine)

92

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<p>point 3 on this lancelet </p>

point 3 on this lancelet

gill bars

93

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<p>point 1 on this lancelet</p>

point 1 on this lancelet

atriopore

94

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<p>point 2 on this lancelet</p>

point 2 on this lancelet

intestine

95

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<p>point 3 on this lancelet</p>

point 3 on this lancelet

anus

96

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<p>point 4 on this lancelet </p>

point 4 on this lancelet

post-anal tail

97

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<p>what is this on the lancelet</p>

what is this on the lancelet

hepatic cecum

98

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<p>point 1 on this lancelet</p>

point 1 on this lancelet

myotomes (muscles)

99

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<p>point 2 on this lancelet</p>

point 2 on this lancelet

dorsal nerve cord

100

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<p>point 3 on this lancelet </p>

point 3 on this lancelet

notochord