Ch_34_Invertebrates_Part_2 Flashcards
(157 cards)
1
Q
classes of Phylum Mollusca
A
Bivalvia, Gastropoda, Cephalopoda
2
Q
Bivalvia common animals
A
clams, scallops, oysters
3
Q
Gastropoda common animals
A
snails, slugs
4
Q
Cephalopoda common animals
A
octopus, squid
5
Q
pod Greek meaning
A
foot
6
Q
Gastro Greek meaning
A
stomach
7
Q
Cephalo Greek meaning
A
head
8
Q
Number of Mollusk species
A
more than 100,000
9
Q
Molluska Greek meaning
A
soft body
10
Q
What secretes shell on Mollusks
A
mantle
11
Q
Mollusk shell is mostly made of
A
calcium carbonate
12
Q
Three parts of mollusk body
A
foot, mantle, visceral mass
13
Q
What are Radula used for
A
Mollusk grazing
14
Q
What does Radula look like on snail
A
tongue
15
Q
unique trait about many Mollusk blood
A
blue bood due to hemocyanin
16
Q
What metal do Mollusks have in blood instead of hemoglobin
A
copper
17
Q
Different forms of Mollusk larvae
A
Veliger and Trocopher
18
Q
Mollusk larvae are _ swimming
A
free swimming
19
Q
Valvia Greek term
A
shell
20
Q
Bivalvia are in general _
A
shellfish
21
Q
What part of Bivalvia secretes 2 shells
A
mantle
22
Q
What muscles or Bivalvia keep 2 shells closed and hinged
A
abductor muscles
23
Q
What do Bivalvia use muscular foot for and where is it located
A
burrowing, anterior
24
Q
How do Bivalvia get oxygen
A
water with gills
25
Bivalvia are known as _ feeders
filter feeders
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How do Bivalvia circulate water
siphons
27
Bivalvia food gathered with _
gill mucous
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T/F Mussels are found in both freshwater and saltwater habitats
T
29
Mussel shells are more _ than other clams
elongated
30
Mussels do not have anterior foot, how do they attach to intertidal structure?
mantle secretes byssal threads
31
How much do invasive Zebra mussels cost US yearly
billions of dollars
32
Damage caused by Zebra mussels
attach to hard surfaces such as boat motors which damage equipment, and clog water intakes
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This mussel specials covers native mussels
Zebra mussels
34
When did Zebra mussels come from and when
Europe 1980s
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How were Zebra mussels brought over
foreign ships ballast water
36
Where are Giant Clams native to
South Pacific
37
How much do Giant Clams weigh
more than 200 lbs
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How many feet across can a Giant Clam be
4 ft
39
Giant Clam average lifespan
100 years
40
Goeduck average length
7 inches
41
Goeduck number of siphons
1-3
42
How do Scallops swim
large abductor
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Unlike stationary clams, scallops can _
move
44
Scallops possess basic _
eyes - including retina and lens
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Outer layer for Bivalves
periostracum
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What is Periostracum made out of
protein
47
Prismatic definition
thickest layer of Bivalve shell, occurs in middle, made of CaCO3
48
Nacreous layer
inner layer of Bivalve shell, makes pearl
49
Where are pearls formed in Bivalve?
inbetween the mantle and nacreous
50
Largest class of mollusks
Gastropoda
51
univalve definition
shell only has one side
52
snail shell characteristics
coiled and univalve
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how do slugs defend themselves?
secrete poison
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What do slugs use for plant grazing
radula
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Gastropoda torsion
anus and mouth in same area because digestive tract torses around inside
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Gastropoda torsion advantages
can pull head and anus up quickly simultaneously, gills up front
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T/F Gastropods are hermaphroditic
T
58
What is the cloaca on Gastropods?
opening used for excretion and sex cells
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most advanced invertebrates and largest
Cephalopods
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Cephalopod examples
Nautilus, Squid, Octopus
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Are squids or octupuses fast open ocean predators
squid
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Squids or octopuses are benthic feeders
octopuses
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Both squids and octopuses have _ and _ to obtain food
suckers, tentacles
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How do Cephalopods move
water jet propulsion
65
What do Cephalopods use to secrete ink
ink gland
66
What do Cephalopods use Chromatophores for
camouflage
67
What is the internal shell of Cephalopods called
pen
68
What is Cephalopod pen made of
dense protein
69
Earths largest invertebrate
Giant Squid
70
Annelid meaning in Latin
little rings
71
Phylum Annelida common term
Segmented Worms
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What do Cephalopods bite with
biting beak and radula
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Annelid bodys are _ and _
segmented and coelomate
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What type of body support do Annelids have?
hydrostatic aka water
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Nephredia description
structures in each segment of Annelids used to filter waste
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2 muscle layers of Annelida
circular and long
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What assists Annelida in movement
seta
78
T/F Annelida circulator system is primitive
F, it is well developed
79
Number of Annelida hearts
5
80
Where are Annelida hearts located
around esophagus
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What are Annelida hearts also known as
aortic arches
82
Annelids have hemoglobin or hemocyanin in blood for oxygen transport?
hemoglobin
83
Classes of Annelids
Polycheata, Oligochaeta, Hirudinea
84
Polychaeta common term
Marine Worms
85
Oligochaeta common term
Earth Worms
86
Hirudinea common term
Leeches
87
Clam Worms belong to this class
Polychaeta
88
Clam Worms use _ for respiration and movement
parapodia, or bundles of seta
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Clam Worms are predatory and have _ jaws
biting
90
Featherduster Worms class
Polychaeta
91
Featherduster Worms are land or marine
marine
92
Featherduster Worms are what type of feeder
suspension feeder
93
What are around Featherduster worms mouth?
feather-like radioles, which are ciliated and mucuous coated
94
Where do Featheduster Worms live in
tube burrows
95
Earthworms class
Oligochaete
96
Why do Earthworms live in soil
need moisture for respiration
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What structure is used for Earthworm locomotion
setae
98
T/F Earthworms have a developed digestive system
T
99
Earthworms digestive system structures
Pharynik, esophagus, crop, gizzard, intestine
100
typhlosole
folds or Earthworm intestine
101
Earthworms have different genders or are hermaphroditic
hermaphroditic
102
earthworms have what male structures
sperm ducts, testes, seminal vesicles
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female earthworms have what female structures
seminal receptacles, oviducts, ovaries
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Earthworm Clitellum use
mucous secretion for sperm and egg protection
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Leeches belong to this class
Hirudnea
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Where do leeches live
moist and warm habitats
107
How do leeches move without setae
2 suckers
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Leeches have this tongue-like structure found on Snails and slugs
radula
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What is special about leech salivary glands?
anesthetic and anticoagulant
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What are used for limb reattachments
leeches
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Arthro Greek meaning
jointed
112
Phlyum Arthropoda common term
Joint-Legged Animals
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Most successful animal group by almost any outlook
Anthropods
114
What is the Anthoropod exoskeleton made out of
chitin
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Arthropod segmentation is similar to Annelids and indicates a(n) _
Annelid ancestor
116
Arthropod metamorphosis stages
eggs -> larva -> pupa -> adult
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The caterpillar is what Anthropod metamorphosis stage
larva
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The pupa is an Arthropod transition between larva and _
adult
119
What is the advatage of Arthropod metamorphosis
different stages do not have food competition
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Which stage of Arthropods is the reproductive stage
adult
121
Arthropoda sub-phyla
Chelicerata, Crustaceae, Uniramia
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Subphylum Chelicerata common term
jawless Arthropods
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Subphylum Crustaceaea common term
sea insects
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Subphylum Uniramia common term
land insects
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Chelicerata examplse
mites, spiders, ticks, scorpions
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Instead of jaw, Chelicerata have
fangs, sucking mouth, chelicera
127
Without chewing mouth, how do CHelicerata eat?
emit poision which has neourotoxin and uses digestive enzymes
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What does Chelicerata Cephalothorax contain
8 legs and obdomen
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Chelicerata see with _
multiple eyes
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Chelicerata eyes are simple or advanced
simple
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Why do Chelicerata create webs
catch prey
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Chelicerata do not have antennae, they sense with
specialized hair sensors
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Brown Recluse subphylum
Chelicerata
134
Brown Recluse venom is a type of what enzyme
strong digestive
135
Where is the Brown Recluse fiddle located
cephalothorax
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Where are Brown Recluse found in human areas
dark areas such as garages, old clothing, cardboard boxes
137
Ticks belong to which subphylum
Chelicerata
138
Ticks are vectors for these 2 diseases
Rocky Mt. Spotted Fever, Lyme Disease
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Scorpion subphylum
Chelicerata
140
Scorpions sting is _
poisonous
141
How are Scorpions a transition organism
link between land and marine organisms
142
This species is believed to be the first land Arthropod
scorpion
143
Mites subphylum
Chelicerates
144
Mites are macroscopic or microscopic
microscopic
145
Mites body structure
abdomen and 8 legs with cephalothorax
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Chiggers and Dustmites are members of _
Chelicerata
147
What does a Chigger use the chelicerae for
make hole in hosts skin
148
What does Chigger inject into wound from chelicerae
saliva and enzymes, break down cells
149
Stylostome description
hard straw-like tube in tissue caused by Chigger salivary secretions
150
A long stylostome indicates the chigger fed for a long or short period of time
long
151
Why are chigger bites itchy?
allergic reactions to saliva
152
Horseshoe Crab subphylum
Chelicerata
153
Limulus common term
Horseshoe crab
154
T/F Horseshoe crab have a chewing jaw
F
155
T/F One male Horseshoe mates with one female Horseshoe crab
F multiple males mate with female at shoreline
156
When and where do Horseshoe crabs mate?
full moon in spring, along-shore at high-tide
157
Horseshoe crab blood is used to enrich _, which assists with _
agar, pathogen growth
