Zoology 1St 9Wks Test

Front 1

a rasping tongue-like organ that is found in all mollusks except bivalves

Back 1

radula

Front 2

the largest known species of jellyfish is the

Back 2

lion’s mane

Front 3

another term for a mollusk shell

Back 3

valve

Front 4

the father of evolution is charles ________

Back 4

darwin

Front 5

term referring to organisms with two different body forms

Back 5

dimorphism

Front 6

the free-swimming larva that emerges from the egg in many mollusks

Back 6

trochophore

Front 7

immature, eight armed, free-swimming medusae formed from strobilation

Back 7

ephyrae

Front 8

the giant barrel sponge is nicknamed “_______ of the reef”

Back 8

redwood

Front 9

internal buds which can help sponges survive harsh conditions; a type of asexual reproduction

Back 9

gemmules

Front 10

exit opening at the top of a sponge

Back 10

osculum

Front 11

name for the middle layer of a mollusk shell

Back 11

prismatic

Front 12

needle-like structures that make up the skeleton of many sponges

Back 12

spicules

Front 13

modified gills present in many aquatic mollusks; feathery or comb-like structures used for respiration

Back 13

ctenidia

Front 14

strong muscles which extend between the shells to tightly hold a bivalve’s shell closed

Back 14

adductor

Front 15

mollusk class that includes squids, octopi, nautiluses, and cuttlefish; has a closed circulatory system; are all carnivorous

Back 15

cephalopoda

Front 16

the simplest sponge body form in which choanocytes lie in a large chamber called the spongocoel

Back 16

asconoid

Front 17

class of sponges in which the spicules have three or four rays

Back 17

calcarea

Front 18

the term mollusk means

Back 18

soft

Front 19

adult sponges cannot move therefore they are referred to as

Back 19

sessile

Front 20

sensory structures used for light reception

Back 20

ocelli

Front 21

sea anemones have this kind of symmetry

Back 21

radial

Front 22

sponges have this kind of symmetry

Back 22

asymmetry

Front 23

the theory that things change over massive expanses of time due to random mutations

Back 23

evolution

Front 24

the term gastropod means

Back 24

“stomach foot”

Front 25

class of mollusks that include snails, slugs, and nudibranchs; have an open circulatory system; undergo torsion; have tentacles where the eyespots are located

Back 25

gastropoda

Front 26

an underwater ecosystem characterized by reef-building corals

Back 26

coral reef

Front 27

a membranous sheath of skin extending from the visceral mass that hangs down on each side of the body, protecting the soft parts

Back 27

mantle

Front 28

the extracellular matrix that acts like glue between the two body layers; the “jelly” of a jellyfish

Back 28

mesoglea

Front 29

type of asexual reproduction in which an individual divides in half as one side of the polyp pulls away from the other side

Back 29

fission

Front 30

common predators of jellyfish

Back 30

sea turtles

Front 31

name for the pores on a sponge

Back 31

ostia

Front 32

process in which a polyp can produce many medusae

Back 32

strobilation

Front 33

type of asexual reproduction in which nobs of tissue form on the side of an existing polyp

Back 33

budding

Front 34

nickname for chironex fleckeri

Back 34

sea wasp

Front 35

the prokaryotic kingdom contains members who are not known to cause any diseases

Back 35

archaebacteria

Front 36

the most common type of cnidae

Back 36

nematocytes

Front 37

the most common type of cnidae

Back 37

nematocytes

Front 38

body form of a free-swimming jellyfish

Back 38

medusa

Front 39

the most common type of cnidae

Back 39

nematocytes

Front 40

body form of a free-swimming jellyfish

Back 40

medusa

Front 41

the term cephalopod means

Back 41

“head foot”

Front 42

the most venomous animal in the world

Back 42

box jelly

Front 43

material which composes the inner layer of a mollusk shell

Back 43

nacre

Front 44

cnidarian stinging cells

Back 44

cnidocytes

Front 45

animals found on rocky marine shorelines with 8 overlapping plates on their dorsal surface

Back 45

chitons

Front 46

the oldest part of a bivalve shell

Back 46

umbo

Front 47

the name porifera means

Back 47

“pore bearing”

Front 48

most complex and most common sponge body form in which choanocytes lie in distinct chambers

Back 48

leuconoid

Front 49

motile larva of a jellyfish

Back 49

planula

Front 50

the nematocyst sensor which triggers the filament to pop out

Back 50

cnidocil

Front 51

these “flowers of the sea” form symbiotic relationships with clownfish and hermit crabs

Back 51

sea anemones

Front 52

the jellylike extracellular matrix of a sponge

Back 52

mesohyl

Front 53

the most venomous animal in the world

Back 53

box jelly

Front 54

material which composes the inner layer of a mollusk shell

Back 54

nacre

Front 55

cnidarian stinging cells

Back 55

cnidocytes

Front 56

animals found on rocky marine shorelines with 8 overlapping plates on their dorsal surface

Back 56

chitons

Front 57

the oldest part of a bivalve shell

Back 57

umbo

Front 58

the name porifera means

Back 58

“pore bearing”

Front 59

most complex and most common sponge body form in which choanocytes lie in distinct chambers

Back 59

leuconoid

Front 60

motile larva of a jellyfish

Back 60

planula

Front 61

the nematocyst sensor which triggers the filament to pop out

Back 61

cnidocil

Front 62

these “flowers of the sea” form symbiotic relationships with clownfish and hermit crabs

Back 62

sea anemones

Front 63

the jellylike extracellular matrix of a sponge

Back 63

mesohyl

Front 64

jellyfish are ________; they can only have either male or female reproductive organs, not both

Back 64

dioecious

Front 65

clams, mollusks, and mussels are in the class

Back 65

bivalvia

Front 66

the most venomous jellyfish; super tiny

Back 66

irukandji

Front 67

box jellies are in the class

Back 67

cubozoa

Front 68

the island that charles darwin went to

Back 68

galapagos

Front 69

caused pollution and effected the moths

Back 69

industrial revolution

Front 70

charles darwin traveled on the

Back 70

hms beagle

Front 71

the organism with the best adaptions will survive the longest and thus be able to reproduce

Back 71

natural selection

Front 72

what drew people to the galapagos island and what has affected sponge farmers so much

Back 72

tourism

Front 73

a power more amazing then the human mind creating life as we know it

Back 73

creationism

Front 74

what jellyfish crowds the seas of japan

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nomura’s jellyfish

Front 75

“sea slugs” that eat jellyfish

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nudibranchs

Front 76

big clam

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giant clam

Front 77

the large, muscular organ mollusks use for locomotion and prey capture

Back 77

foot

Front 78

the kingdom includes members like apple trees, grass, tulips, moss and corn

Back 78

plantae

Front 79

organs that remove metabolic wastes from a mollusk’s body

Back 79

nephridia

Front 80

what did the galapagos turtle adapt to eating after the goats ate all the plants?

Back 80

guava

Front 81

oysters produce

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pearls

Front 82

this prokaryotic kingdom contains some members that can cause diseases

Back 82

eubacteria

Front 83

sponges are in the phylum

Back 83

porifera

Front 84

chitons are in the class

Back 84

polyplacophora