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Invertebrates Flashcards

1
Q

central cavity in sponges

A

spongocoel

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2
Q

outer layer in sponges

A

epidermis

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3
Q

middle layer in sponges

A

mesohyl

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4
Q

cells in mesohyl of sponges

A

amoebocytes

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5
Q

flagellated cells lining spongocoel in sponges

A

choanocyte

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6
Q

water flow leaves through there in sponges

A

ostium

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7
Q

composes more flexible spicules in some sponge species

A

spongin

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8
Q

totipotent cells in sponges

A

amoebocytes

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9
Q

function first as one sex and then as the other

A

sequential hemaphroditism

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10
Q

lines gastrovascular cavity in cnidarians

A

gastrodermis

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11
Q

jelly between gastrodermis and epidermis in cnidarians

A

mesoglea

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12
Q

capsule-like organelles that are capable of exploding outward

A

cnidae

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13
Q

specialized cnidae, contain a stinging thread that can penetrate the body wall of the cnidarian’s prey

A

nematocysts

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14
Q

contain cnidae or nematocysts

A

cnidocytes

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15
Q

class of true jellyfish

A

scyphozoa

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16
Q

class of box jellyfish

A

cubozoa

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17
Q

class including hydra

A

hydrozoa

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18
Q

class of sea anemones and corals

A

anthozoa

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19
Q

only species in placozoa

A

Trichoplax adhaerens

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20
Q

chain worms

A

Catenulida

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21
Q

planarians, trematodes, and tapeworms

A

Rhabditophora

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22
Q

planarians

A

Dugesia

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23
Q

blood flukes

A

schistosoma

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24
Q

tapeworm end armed with suckers and often hooks to attach itself to the intestinal lining

A

scolex

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25
sacs of sex organs on tapeworms
proglottids
26
rotifer jaws
trophi
27
includes rotifers and spiny headed worms
syndermata
28
spiny headed worms
acanthocephala
29
intermediate host of acanthocephala
arthropods
30
type of coelom in syndermata?
pseudocoelomates
31
type of coelom in platyhelminthes
acoelomates
32
type of coelom in lophophorates
coelomates
33
Derived deuterostome developmental features, but aren’t deuterostomes
lophophorates
34
hairy bellies
gastrotricha
35
type of coelom in nemertea
acoelomates
36
ribbon worms
nemertea
37
type of coelom in annelids
coelomates
38
original three groups of annelids
polychaeta, oligochaeta, hirudinea
39
subclass of annelids that includes mostly burrowers and tube dwellers
sedentaria
40
subclass of annelids that includes more mobile groups with well-developed jaws and sensory organs
errantia
41
prominent paddle-like or ridge-like structures that function in locomotion in annelids
parapodia
42
bristles attached to parapodia
chaetae
43
keeps the blood of the host from coagulating for leeches
Hirudin
44
partition annelid coeloms
septa
45
pair of excretory tubules that discharge waste from blood and coelomic fluid
metanephridium
46
temporary food storage area where food gets mixed together in earthworms
crop
47
Any stones that have been swallowed and strong muscles grind up the leaves in earthworms
gizzard
48
second most diverse phylum
mollusca
49
type of coelom in mollusca
coelomates
50
2 type of muscle least to most exterior the coelom in annelids
longitudinal, circular
51
used for movement in molluscs
foot
52
contains most of the internal organs in molluscs
visceral mass
53
fold of tissue that drapes over the visceral mass and secretes a shell in molluscs
mantle
54
houses the gills, anus, and excretory pores when mantle extends beyond the visceral mass in molluscs
mantle cavity
55
Many molluscs feed by using this straplike organ to scrape up food
radula
56
class of chitons
polyplacophora
57
number of dorsal plates in chitons
8
58
bivalve muscles that draw shell together
adductor
59
giant squid
Architeuthis dux
60
colossal squid
Mesonychoteuthis hamiltoni
61
tiny animal that can telescope its head, neck, and thorax in and out of its abdomenal pocket
loricifera
62
pocket formed by six plates surrounding the abdomen
lorica
63
type of coelom in nematodes
pseudocoelomate
64
coelom type of onychophora
coelomate
65
coelom type of priapulida
coelomate
66
coelom type of loricifera
pseudocoelomate
67
causes Trichinosis
Trichinella spiralis
68
coelom type of arthropods
coelomate
69
system of hemolymph-filled body sinuses that replaces coelom in arthropods
hemocoel
70
branched air ducts in insects leading into the interior of the body
tracheal system
71
pair of appendages in arachnids that function in sensing, feeding, defense, or reproduction
pedipalps
72
stacked platelike structures contained in an internal chamber that function in respiration in chelicerates
book lungs
73
metabolic wastes in insects are excreted by these organs
malpighian tubules
74
balancing organs in flies
halteres
75
class of acorn worms
enteropneusta
76
coelom type of echinoderms
coelomates
77
coelom type of hemichordates
coelomates
78
class of sea stars and sea daisies
asteroidea
79
network of hydraulic canals branching into extensions called tube feet that function in locomotion and feeding in echinoderms
water vascular system
80
opening of an echinoderms water vascular system
madreporite
81
small group of armless asteroidea that live on submerged wood
sea daisies
82
class of brittle stars
Ophiuroidea
83
class of Sea Urchins and Sand Dollars
Echinoidea
84
class of Sea Lilies and Feather Stars
Crinoidea
85
class of Sea Cucumbers
Holothuroidea

Bio (23 decks)

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