Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Principles of Zoology > Arthropods and Echinoderms > Flashcards

Arthropods and Echinoderms Flashcards

1
Q

What is a major challenge for terrestrial arthropods?

A

loss of water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Do Arthropods have an excretory system?

A

yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the unique excretory system of Arthropods called?

A

Malpighian tubules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What do Malpighian tubules do?

A

eliminate nitrogenous wastes as concentrated uric acid or guanine; a way to remove ammonia without having to dilute it in water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are Malpighian tubules associated with?

A

digestive system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What do arthropods undergo?

A

ecdysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is ecdysis?

A

molting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Why do arthropods undergo ecydysis?

A

for growth or replacement of exoskeleton

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Where do arthropods live?

A

aquatic and terrestrial environments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What do aquatic arthropods have to breathe with?

A

gills

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What do gills act as?

A

both respiratory and excretory organ

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What other animals excrete uric acid like arthropods?

A

lizards and birds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How do arthropods fertilize?

A

internally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the significance of internal fertilization?

A

there is a higher chance of reproductive success

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are the sub phylum of Arthropods?

A

Chelicerata, Myriapoda, Crustacea, Hexapoda

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What animals are chelicerata? (give examples)

A

Arachnids (spider, ticks, scorpions, mites, and horseshow crabs)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What are the anterior most appendages on Chelicerates called?

A

Chelicerae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is the function of chelicerae?

A

function as fangs or pinchers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

How are the bodies of Chelicerates divided?

A

2 main tagmata`

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What are the 2 tagmata of Chelicerates?

A

Prosoma and Opisthosoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What makes up the prosoma?

A

bears all appendages

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What makes up the opisthosoma?

A

contains the reproductive organs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Where is the prosoma located?

A

anterior (front)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Where is the opisthosoma located?

A

posterior (back)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What are tagmata?

A

functional segments of the body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What is the prosoma a merger of?

A

head and thorax

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What is the diet of most arachnids? What is the exception?

A

carnivorous; mites

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

What is the diet of mites?

A

herbivorous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Are there parasitic arachnids?

A

yes, ticks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

How do spiders catch prey?

A

either in silk webs or hunt their prey

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

How do spiders make webs?

A

silk protein forced out of spinnerets on the posterior of abdomen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

What do all spiders have?

A

poison glands leading through their chelicerae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Are spiders important?

A

yes, they are necessary for the ecosystem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

What are two venomous spiders in the US?

A

black widow and brown recluse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

What order of Chelicerates is the most diverse?

A

mites and ticks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

What size are most mites?

A

small

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

What is the body of a mite like?

A

Cephalothorax and abdomen fused into an unsegmented ovoid body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

What size are most mites?

A

larger than ticks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

What is the diet of ticks?

A

ticks are blood-eating parasites

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Do ticks carry diseases?

A

yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

What diseases can ticks carry?

A

spotted fevers, lyme disease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

What is the body of Myriapoda like?

A

a head followed by numerous segments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

What animals make up Myriapods?

A

centipedes and millipedes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

What do centipedes eat?

A

carnivorous (eat insects)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

What do millipedes eat?

A

largely herbivores (or consume organic material)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Do centipedes have a stinger/pincher?

A

yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Do millipedes have a stinger/pincher?

A

no

48
Q

Do millipedes or centipedes have more legs?

A

millipedes have more legs

49
Q

How many legs per segment do millipedes have?

A

two on some or all segments

50
Q

How many legs per segment do centipedes have?

A

one leg pair on each segment

51
Q

Are Crustaceans primarily aquatic or terrestrial?

A

aquatic

52
Q

What animals are Crustaceans?

A

crabs, shrimps, lobsters, barnacles

53
Q

How many tagmata do Crustaceans have?

A

three

54
Q

How do the two most anterior tagmata fuse?

A

fuse to form a cephalothorax

55
Q

What are mandibles?

A

biting jaws

56
Q

What are the jaws of Crustaceans called?

A

mandibles

57
Q

Are most Crustaceans hermaphroditic or dioecious?

A

dioecious

58
Q

What Crustacean is not dioecious?

A

barnacles (hermaphroditic)

59
Q

What distinguishes Arthropods?

A

jointed appendages

60
Q

How do barnacles move?

A

sessile as adults, free-swimming as larvae

61
Q

How do barnacles eat?

A

filter feeders

62
Q

What is the largest group of animals?

A

insects

63
Q

What animals are Hexapods?

A

Insects

64
Q

Are insects primarily aquatic or terrestrial?

A

terrestrial

65
Q

How many legs do insects have?

A

6

66
Q

How many body regions do insects have?

A

3

67
Q

What are the 3 regions of insects?

A

head, thorax, and abdomen

68
Q

What makes up the head of an insect?

A

pair of antennae and modified mouthparts

69
Q

What makes up the thorax of an insect?

A

has 3 segments, each with a pair of legs; may have 1 or 2 pairs of wings

70
Q

What makes up the abdomen of an insect?

A

reproductive organs and majority of digestive and respiratiory system

71
Q

What do many insects undergo?

A

metamorphosis

72
Q

What are the two types of metamorphosis?

A

simple and complete

73
Q

What is simple metamorphosis?

A

immature stages similar to adults, have to molt to grow still

74
Q

What insects undergo simple metamorphosis?

A

grasshopers

75
Q

What is complete metamorphosis?

A

immature larvae are wormlike and require a resting stage to precede into adult form

76
Q

What is the resting stage of complete metamorphosis called?

A

pupa or chrysalis

77
Q

What insects undergo complete metamorphosis?

A

butterflies

78
Q

What is the lifecycle of butterflies?

A

eggs, larva, pupa, adult

79
Q

What are young grasshoppers called?

A

nymphs

80
Q

How many stages of molting do nymphs go through until they are an adult grasshopper?

A

5

81
Q

What is incomplete metamorphosis?

A

same as simple?

82
Q

What are Echinodermata?

A

a phylum, an ancient group of marine animals

83
Q

What are Echinoderms characterized by?

A

deuterostome development

84
Q

Do Echinoderms have an exoskeleton or an endoskeleton?

A

endoskeleton

85
Q

What is the enoskeleton composed of in echinoderms?

A

calcium-containing plates (ossicles)

86
Q

Do Echinoderms have eye spots?

A

some do

87
Q

Do Echinoderms have a brain?

A

no

88
Q

Do Echinoderms have neurosensory cells?

A

yes

89
Q

Do Echinoderms have a nerve net?

A

yes

90
Q

What happens to Echinoderms during development?

A

They undergo a fundamental shift

91
Q

What symmetry do the larvae stage of Echinoderms have?

A

bilateral

92
Q

What symmetry do the adult stage of Echinoderms have?

A

pentaradial (5 rays)

93
Q

How is the body structure of Echinoderms orientated?

A

in reference to their mouth

94
Q

What is the epidermis of Echinoderms composed of?

A

movable or fixed calcium-rich (calcite) plates called ossicles

95
Q

What is in the epidermis of Echinoderms?

A

perforated by pores

96
Q

Why are there pores on the epidermis of Echinoderms?

A

to allow for extension of tube feet

97
Q

What do Echinoderms use to move?

A

water-vascular system

98
Q

What is the water-vascular system?

A

a hydraulic system that aids in movement and feeding

99
Q

What is the water-vascular system composed of?

A

a central ring from which 5 radial canals extend into each of the body’s 5 parts

100
Q

What is the opening for water entry of Echinoderms called?

A

Madreporite

101
Q

What is the muscular sac for tube feet control called in Echinoderms?

A

ampulla

102
Q

What connects toe madreporite to the ring canal?

A

stone canal

103
Q

What is the function of tube feet?

A

allow the animal to move

104
Q

How do Echinoderms reproduce?

A

sexually and asexually

105
Q

How do Echinoderms asexually reproduce?

A

splitting, broken parts can regenerate the whole animal if there is enough central part

106
Q

Are Echinoderms hermaphroditic or dioecious?

A

dioecious

107
Q

What are the 5 main classes of Echinoderms?

A
  • sea stars and sea daisies
  • sea lilies and feather stars (crinoids)
  • sea urchins and sand dollars
  • sea cucumbers
  • brittle stars
108
Q

What clade are Echinoderms part of?

A

Deuterostomes

109
Q

What symmetry do deuterostomes have?

A

bilateral (at some point in their life)

110
Q

What body cavity do Deuterostomes have?

A

true coelomic body cavity

111
Q

Are Deuterostomes monoblastic, diploblastic, or triploblastic?

A

triploblastic

112
Q

What side of an Echinoderm is the oral surface on?

A

ventral

113
Q

What side of an Echinoderm is the aboral surface on?

A

dorsal

114
Q

How do Echinoderms feed?

A

some predators, filter feeders, scavengers, deposit feeders

115
Q

What do Echinoderms feed on?

A

other invertebrates

116
Q

Do some Echinoderms actively search for prey?

A

yes

Principles of Zoology (20 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions