Download list 3 characteristics found in all mollusks

NAME _______________________________
MOLLUSK TEST
2 points each
MULTIPLE CHOICE:
Circle the letter of the answer that best completes the statement.
Most mollusks (including clams) _______________________________________
A. are hermaphrodites
B. use both sexual and asexual reproduction
C. have separate sexes
D. have direct development
Bivalves become SESSILE as adults. This means they _______________
A. stay in one place and don’t move around much
B. don’t need a partner to reproduce
C. have their sense organs concentrated in a head area
D. can camouflage themselves from predators
All mollusks (except cephalopods) have ________________ circulation.
A. CLOSED
B. OPEN
Bivalves are _____________________.
A. filter feeders
B. carnivorous predators
C. grazers
D. parasites
The only mollusks WITHOUT a RADULA are the _____________________.
A. cephalopods
B. gastropods
C. bivalves
All mollusks are ______________________.
A. Invertebrate deuterostomes
B. Invertebrate protostomes
C. Vertebrate deuterostomes
D. Vertebrate protostomes
Bivalves have ____________________ symmetry
A. bilateral
B. radial
C. no
All mollusks have a(n)______________________
A. acoelom
B. pseudocoelom
C. “true” eucoelom
All aquatic mollusks (except cephalopods) have ___________________ development.
A. direct
B. indirect
The only mollusks WITHOUT CEPHALIZATION are the _____________________.
A. cephalopods
B. gastropods
C. bivalves
The name
A.
B.
C.
D.
MOLLUSK comes from the Latin word meaning ___________________.
slow moving
soft body
headless
to creep or crawl
The coelom in a clam is smaller and has become the ____________________.
A. gill compartment
B. visceral mass
C. mantle cavity
D. pericardial cavity
Bile is ______________________________.
A. form of nitrogen waste excreted by mollusks
B. produced by the digestive gland and helps to break down food
C. a ciliated larva seen in clams
D. a tongue covered with teeth seen in marine mollusks
The name
A.
B.
C.
D.
BIVALVIA comes from the Latin meaning _________________________
sessile
marine
2 shells
soft body
The umbo
A.
B.
C.
D.
in a clam _______________________
excretes nitrogen waste
is the bump on the shell near the hinge
has ridges to trap food
is a hole that lets water into the clam shell
USE LETTERS FROM THE DIAGRAM TO IDENTIFY THE STRUCTURES:
________
MANTLE
________ FOOT
_________ GILLS
________ MANTLE CAVITY
________ VISCERAL MASS
_________ INCURRENT SIPHON
_________ EXCURRENT SIPHON
________ ADDUCTOR MUSCLE
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
BONUS
What color is bile? ________________________
Tell the specific kind of food that bile works to break down ________________________
SUPER BONUS ?
What term commonly used to refer to clams in the Eastern United
States is frequently heard on this popular TV show?
___________________________
USE LETTERS FROM THE DIAGRAM TO IDENTIFY THE STRUCTURES:
________
MANTLE CAVITY
________ VISCERAL MASS
_________ ADDUCTOR MUSCLE
________ MANTLE
________ FOOT
_________ GILLS
_________ EXCURRENT SIPHON
________ INCURRENT SIPHON
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
MATCHING: Match the body part with its function.
(YOU CAN USE THEM MORE THAN ONCE!)
________
Flaps near mouth that move food up from gills
________
Traps food in the mucous on its ridged surface
________
Collects and removes nitrogen waste in a clam
C. INTESTINE
________
Collects and removes digestive waste
D. DIGESTIVE GLAND
________
Area of the clam’s body that contains the heart,
digestive, excretory, and reproductive organs
________
Layer that produces the clam’s shell
A. ADDUCTOR MUSCLES
B. PALPS
E. MANTLE
F.GILLS
G. KIDNEY
________
________
________
Control the opening and closing of the
clam’s shell
H. MANTLE CAVITY
Makes bile to break down food
I. PERICARDIAL CAVITY
Entrance and exit for water entering and leaving
the mantle cavity
J. VISCERAL MASS
K. SIPHONS
_________
Space surrounding heart
L. HEART
_________
Pumps hemolymph
_________ Finishes digestion and absorbs nutrients
_________ Exchanges oxygen and carbon dioxide with water
________
*
*
Space inside the clam’s shell between mantle and visceral mass
*
*
*
*
*
*
*
*
MATCH THE CLAM BODY ORGAN WITH ITS BODY SYSTEM:
You can use them more than once!
_________ gills
_________ intestine
_________ ganglia
_________ kidney
_________ heart
_________ digestive gland
A.
B.
C.
D.
E.
CIRCULATORY
DIGESTIVE
RESPIRATORY
NERVOUS
EXCRETORY
*
*
*
*
*
MATCHING: Match the body part with its function.
(YOU CAN USE THEM MORE THAN ONCE!)
________
Flaps near mouth that move food up from gills
________
Traps food in the mucous on its ridged surface
B. GILLS
________
Collects and removes nitrogen waste in a clam
C. HEART
________
Collects and removes digestive waste
D. SIPHONS
________
Area of the clam’s body that contains the heart,
digestive, excretory, and reproductive organs
________
Layer that produces the clam’s shell
A. DIGESTIVE GLAND
E. INTESTINE
F. ADDUCTOR MUSCLES
G. MANTLE
________
________
________
Control the opening and closing of the
clam’s shell
H. PERICARDIAL CAVITY
Makes bile to break down food
I. VISCERAL MASS
Entrance and exit for water entering and leaving
the mantle cavity
J. MANTLE CAVITY
K. PALPS
_________
Space surrounding heart
L. KIDNEY
_________
Pumps hemolymph
_________ Finishes digestion and absorbs nutrients
_________ Exchanges oxygen and carbon dioxide with water
_________
Space inside the clam’s shell between mantle and visceral mass
*
*
*
*
*
*
*
*
*
*
MATCH THE CLAM BODY ORGAN WITH ITS BODY SYSTEM:
You can use them more than once!
_________ kidney
_________ intestine
_________ heart
_________ gills
_________ ganglia
_________ digestive gland
A.
B.
C.
D.
E.
CIRCULATORY
DIGESTIVE
RESPIRATORY
NERVOUS
EXCRETORY
*
*
*
*
*
MATCH THE WORD WITH ITS DEFINITIONI;
_________ The twisting of a gastropod larva’s visceral mass 180˚
so the posterior ends up near the front of the animal
A. TORSION
________
B. HEMOLYMPH
Tongue-like strip with abrasive
teeth used in feeding in some mollusks
C. HEMOCOEL
________
________
_________
Circulatory fluid (blood) in an animal with
open circulation
D. FILTER FEEDER
Organism that strains food from the water
E. CHROMATOPHORE
A cilitated larva found in many aquatic mollusks
and some annelids
F. RADULA
G. TROCHOPHORE
________
Pigment cells in the mantle of cephalopods which
can change color to allow them to blend in with
their surroundings
_________ the SPACE where the blood circulates in an organism
with an open circulatory system
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
TRUE OR FALSE
Circle T if the statement is TRUE.
Circle F if the statement is FALSE.
T
F
ALL mollusks have a protective shell.
T
F
The surface of a clam’s gill is smooth and flat to allow the water
to slide past easily.
T
F
Bile is colorless.
T
F
The umbo in a clam is closest to the anterior end.
T
F
Clams have a pair of cerebral ganglia and one ventral nerve cord,
just like an earthworm.
T
F
The mantle cavity in a clam is the coelom.
*
*
*
*
*
*
*
*
*
*
*
*
NAME _______________________________
MOLLUSK TEST
2 points each
MATCH THE WORD WITH ITS DEFINITIONI;
_________ The twisting of a gastropod larva’s visceral mass 180˚
so the posterior ends up near the front of the animal
A. RADULA
________
B. CHROMATOPHORE
Tongue-like strip with abrasive
teeth used in feeding in some mollusks
C. TROCHOPHORE
________
________
_________
Circulatory fluid (blood) in an animal with
open circulation
D. HEMOCOEL
Organism that strains food from the water
E. HEMOLYMPH
A cilitated larva found in many aquatic mollusks
and some annelids
F. TORSION
G. FILTER FEEDER
________
Pigment cells in the mantle of cephalopods which
can change color to allow them to blend in with
their surroundings
_________ the SPACE where the blood circulates in an organism
with an open circulatory system
*
*
*
*
*
*
*
*
*
*
*
TRUE OR FALSE
Circle T if the statement is TRUE.
Circle F if the statement is FALSE.
T
F
ALL mollusks have a protective shell.
T
F
The surface of a clam’s gill is smooth and flat to allow the water
to slide past easily.
T
F
Bile is colorless.
T
F
The umbo in a clam is closest to the anterior end.
T
F
Clams have a pair of cerebral ganglia and one ventral nerve cord,
just like an earthworm.
T
F
The mantle cavity in a clam is the coelom.
*
*
*
*
MATCH THE DESCRIPTION WITH THE CORRECT MOLLUSK CLASS:
You can use them more than once!
GASTROPODA
Octopus, squid, and chambered nautilus
Clams, oysters, and scallops
Snails, slugs, nudibranchs,
and conchs
All have 2 shells
Most have ONE shell
Most have NO shell
Group that has chromatophores
Only group WITHOUT a radula
Mollusk group that has TORSION
CEPHALOPODA
BIVALVIA
MATCH THE DESCRIPTION WITH THE CORRECT MOLLUSK CLASS:
GASTROPODA
Clams, oysters, and scallops
Octopus, squid, and chambered nautilus
Snails, slugs, nudibranchs,
and conchs
Most have NO shell
Most have ONE shell
All have 2 shells
Only group WITHOUT a radula
Mollusk group that has TORSION
Group that has chromatophores
CEPHALOPODA
BIVALVIA
SHORT ANSWER:
LIST 3 CHARACTERISTICS FOUND IN ALL MOLLUSKS
(REMEMBER: Don’t just give me a list of body parts! What makes it a mollusk?)
_______________________________
_______________________________
_______________________________
Clams belong to the:
KINGDOM _____________________________
PHYLUM ______________________________
CLASS ______________________________
Name two (2) of the body systems that release their products into the mantle cavity in a clam.
____________________________
*
*
*
*
*
*
__________________________________
*
*
*
*
*
*
*
USE WORDS IN THE WORD BANK TO COMPLETE THE FOLLOWING SENTENCE
DORSAL
VENTRAL
CLAMS follow the body plan seen in earthworms and other invertebrates because they have
_________________ nerve cords and a ________________ heart.
*
*
SHORT ANSWER:
LIST 3 CHARACTERISTICS FOUND IN ALL MOLLUSKS
(REMEMBER: Don’t just give me a list of body parts! What makes it a mollusk?)
_______________________________
_______________________________
_______________________________
Clams belong to the:
KINGDOM _____________________________
PHYLUM ______________________________
CLASS ______________________________
Name two (2) of the body systems that release their products into the mantle cavity in a clam.
____________________________
*
*
*
*
*
*
__________________________________
*
*
*
*
*
*
*
USE WORDS IN THE WORD BANK TO COMPLETE THE FOLLOWING SENTENCE
DORSAL
VENTRAL
CLAMS follow the body plan seen in earthworms and other invertebrates because they have a
_________________ heart and ________________ nerve cords.
*
*
COMPARE OR CONTRAST:
Fill in the comparison chart below:
Tell one way reproduction in clams and earthworms is ALIKE or DIFFERENT.
Then you pick 2 more characteristics/body systems to compare.
REMEMBER USE SOME SCIENCE WORDS!
Think about what kind of body systems they have!
Characteristic/
BODY SYSTEM
CLAMS
EARTHWORMS
1. Reproductive
2.
3.
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
BONUS
What color is bile? ________________________
Tell the specific kind of food that bile works to break down ________________________
SUPER BONUS ?
What term commonly used to refer to clams in the Eastern United
States is frequently heard on this popular TV show?
___________________________
OMPARE OR CONTRAST:
Fill in the comparison chart below:
Tell one way reproduction in clams and earthworms is ALIKE or DIFFERENT.
Then you pick 2 more characteristics/body systems to compare.
REMEMBER USE SOME SCIENCE WORDS!
Think about what kind of body systems they have!
Characteristic/
BODY SYSTEM
1. Reproductive
2.
3.
EARTHWORMS
CLAMS