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lab 8 ADL > lab 8 ADL > Flashcards

lab 8 ADL Flashcards

1
Q

phylum

A

anthropoda

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2
Q

organization

A

organ level

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3
Q

embryonic development

A

. triploblast
. protostome
. eucoelmate

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4
Q

symmetry

A

bilateral

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5
Q

support system

A

exoskeleton

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6
Q

movement

A

. pleopods
. longitudinal muscles
. striated muscles

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7
Q

nervous system

A

. cerebral ganglion
. ventral nerve cord
. cephalization
. dorsal brain

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8
Q

circulation

A

open circulatory system

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9
Q

digestion/feeding

A 
. complete digestive system
. filter feeders
. predators
. extra/intracellular predigestion
. gut divided in 3 areas
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10
Q

3 divisions of gut

A

. foregut
. midgut
. hindgut

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11
Q

excretory system

A

. nephridia
. malpighian tubules
. green gland

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12
Q

reproduction

A 
. sexual
. mono/dioecious
. partenogeneses
. external fertilization
. internal fertilization
. free living nauplius larvae
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13
Q

respiratory system

A

. book lungs

. book gills

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14
Q

all anthropods have

A

segmented bodies and jointed appendages

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15
Q

segmented bodies

A

. only last during embryonic development

. tagmata

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16
Q

exoskeleton made of

A

. chitin and proteins

. overlapping folds

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17
Q

purpose of exoskeleton

A 
. support
. muscle attachment
. protection
. prevents water loss
. protects against salinity changes in marine species
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18
Q

ecdysis

A

molting of exoskeleton to make room for larger internal body

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19
Q

exoskeleton limits

A

body size

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20
Q

reduced coelom means

A

main body cavity is hemocoel

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21
Q

hemocoel

A

blood filled sinuses in tissues, makes up part of open circulatory system

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22
Q

anthropods have a true coelum

A

true

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23
Q

tagmatization (tagmata)

A

. head, thorax, abdomen
. type of metamerism
. unique to anthropods

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24
Q

Subphylum trilobiomorpha, class trilobita features

A 
. jointed appendages
. chitinous exoskeletons
. complex nervous system
. segmented bodies
. complete digestive system
. specialized internal organs
. compound eyes
. single pair of antennae
. sexual reproduction
. lived on sea floor
. preyed on smaller invertebrates or ate organic debris
. dug for food and to protect from predators
. marine
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25
Q

subphylum chelicerata, class merostomata features

A 
. chelicerae
. nocturnal
. swim on backs
. eat mulluscs and worms
. 2 compound eyes
. book gills (breathing and swimming)
. gnathobase
. 1 eyespot (ocelli)
. blue blood
. boxing glove pedipalp (male)
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26
Q

chelicerae

A

pair of mouthparts in chelicerates that contain fangs and are used to stab and paralyze prey

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27
Q

gnathobase

A

toothed food-grinding surface surrounded by 4 pairs of walking legs

28
Q

all animals in subphylum Chelicerata have

A 
. 2 tagmata (cephlothorax and abdomen)
. chelicerae
. no antennae
. pedipalps
. 8 walking legs
. chitinous exoskeleton
29
Q

Class Merostomata species

A

horseshoe craps

30
Q

class arachnida species

A

scorpions, spiders, ticks, mites, daddy long legs

31
Q

trilobite structures to identify (dorsal)

A 
. simple eye
. compound eye
. telson
. abdomen
. cephalothorax
32
Q

trilobite structures to identify (ventral)

A 
. chelicerae
. pedipalp
. mouth (gnathobase)
. walking legs
. carapace
. anus
. genital and gill operculum
. book gills
33
Q

how many compound eyes do horseshoe crabs have?

A

2

34
Q

how many simple eyes do horseshoe crabs have

A

1

35
Q

malpighian tubules

A

excretory system works with rectal gland

36
Q

subphylum chelicerata, class arachnida features

A 
. 1 pair of chelicerae
. 1 pair of pedipalps
. 4 pairs of walking legs
. carnivorous (except mites)
. feed on liquified food
. digest externally using venom
. book lungs or trachea
. malpighian tubules
. covered in specialized sensory hairs
. some scorpions and spiders "sexual sting"
37
Q

all species in subphylum crustacea have

A

. 2 tagmata
. biramous appendages
. calcified skeleton
. gills

38
Q

biramous appendages

A

one for gills, one for attachment

39
Q

2 tagmata in crustacea

A

cephalothorax and abdomen

40
Q

Subphylum Crustacea classes

A

. branchiopoda
. copepoda
. cirripedia
. malacostraca

41
Q

class branchiopoda

A

. fairy/brine shrimp
. gills on legs
. use antennae for swimming

42
Q

class copepoda

A 
. teardrop shaped
. all aquatic environments
. long antennae
. thin carapace
. parasitic
. one eye
43
Q

class cirripedia

A 
. barnacles
. free swimming larvae
. sessile adults
. monoecious
. filter feeder
. live in shell w open top
44
Q

class Malacostraca

A

. shrimp, crabs, lobsters, crayfish, terrestrial pill bugs

. mantis shrimp w most complex eye

45
Q

cuticle

A

forms well developed jointed exoskeleton

46
Q

apodemes

A

internal surfaces for muscle attachment

47
Q

homology

A

. same origin
. same/different function
. different individual
. vertebrate arm bones

48
Q

serial homology

A

. same ancestral structure, different segment
. same/different function
. same individual
. crayfish appendages

49
Q

analogy

A

. different origin
. same function
. different individual
. wings

50
Q

which characteristic is shared by nematoda and anthropoda but is not found in mullusca?

A

exoskeleton/cuticle

51
Q

what is absent in chelicerata?

A

antennae

52
Q

how many pairs of chelicerae do horseshoe crabs have?

A

1

53
Q

how many pairs of pedipalps do horseshoe crabs have?

A

1

54
Q

how many pairs of walking legs do horseshoe crabs have?

A

4

55
Q

function of telson in horseshoe crabs

A

burrowing in sand

56
Q

function of telson in arachnida

A

defense

57
Q

chelicerae are derived from a different body segment than mandibles proves

A

mouthparts originate independently in chelicerata and crustacea

58
Q

chelicerata are the sister taxon to all anthropods

A

true

59
Q

class that is mostly parasitic

A

copepoda

60
Q

mouthparts of various shapes is advantageous for crayfish because

A

they provide different functions during feeding

61
Q

cephalothorax

A

head and thorax

62
Q

what organ secretes enzymes into stomach to digest food?

A

digestive gland

63
Q

what structure proves crayfish have an open circulatory system?

A

ostia in heart

64
Q

where are green glands located on crayfish?

A

ventral surface of head near mouth

65
Q

which pair of walking legs in blue crabs has been modified for swimming?

A

fifth

66
Q

purpose of cirri in cirripoda

A

filter feeding

lab 8 ADL (1 decks)

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