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Marine Midterm #1

Total questions: 100

Worksheet time: 54mins

Name
Class
Date
1.

What features do a clam, sea slug, and squid share in common? (select all right answers)

a)

They are all in the "Mollusca" Group

b)

They all have a brain

c)

They all have gills

d)

The all have a mantle

2.

Which Invertebrates have bilateral symmetry (select all that apply)

a)

Sponges

b)

Echinoderms

c)

Arthropods

d)

Mollusks

3.

This appendage of the mollusc is used for movement and grasping.

a)

Foot

b)

Mantle

c)

Radula

d)

Ctenidia

e)

Limpet

4.

What class of molluscs does the nautilus belong to?

a)

Bivalvia

b)

Gastropoda

c)

Cephalopoda

d)

Cnidaria

5.

These molluscs have a head and a modified foot that are now arms or tentacles.

a)

Cephalopods

b)

Nudibranches

c)

Gastropods

d)

Bivalves

e)

Ctenidia

6.

How do bivalves eat?

a)

Filter feeders

b)

Radula

c)

Tentacles

7.

The Latin term for stomach-foot is ____.

a)

Mollusca

b)

Gastropod

c)

Cephalopod

d)

Gustoflagella

e)

Limpepodia

8.

The shell of a mollusc is made out of what compound?

a)

Calcium Carbonate

b)

Calcium Phosphate

c)

Calcium

d)

Iron Phosphate

e)

Strontium Chloride

9.

Which cephalopod is shown?

a)

Nautilus

b)

Cuttlefish

c)

Squid

d)

Octopus

10.
All mollusks have an external shell.
a)
True
b)
False
11.
What type of circulatory system do most Molluscs have?
a)
Open
b)
Closed
12.

What is the meaning of Gastropod?

a)

Soft-bodied

b)

Stomach-footed

c)

Head-footed

d)

Two-shelled

13.
All gastropods have shells
a)
true
b)
false
14.

Which specie of mollusc does not have a shell?

a)

snail

b)

limpet

c)

conch

d)

slug

15.
Which part of the Mollusk body is specialized for burrowing, feeding, and movement?
a)
trochophores
b)
visceral mass
c)
mantle
d)
foot
16.
Radula is used to _________. 
a)
scrape food from surfaces
b)
regulate water flow
c)
digest food
d)
gas exchange
17.
Gastropoda, Bivalva, Cephalapoda are all classes within the Phylum _______. 
a)
Arthropoda
b)
Mollusca
c)
Porifera 
d)
Cnidaria
18.
The part of the mollusk that produces its shells is the ______. 
a)
cavity
b)
mantle
c)
visceral mass
d)
ventral foot
19.

Which of the following is NOT a characteristic of arthropods?

a)

Open circulatory system

b)

Jointed appendages

c)

Segmented body

d)

Endoskeleton

20.

The exoskeleton of an arthropod is made of which of the following?

a)

chitin

b)

protin

c)

nacre

d)

spongin

21.

Which of the following is NOT a function of the exoskeleton.

a)

Protection

b)

Prevents water loss

c)

Attachment of muscles

d)

Flexibility of movement

22.

Since the exoskeleton limits the growth of arthropods, they have to shed their exoskeletons and form a new one. This is called ____.

a)

defecating

b)

molting

c)

morphing

d)

excreting

23.

Which of the following crayfish structures is used for gas exchange?

a)

Malpighian tubules

b)

Green glands

c)

Gills

d)

Book lungs

24.

The carapace is the part of a crayfish's exoskeleton to covers and protects the

a)

head

b)

thorax

c)

abdomen

d)

cephalothorax

25.

Why do arthropods molt?

a)

It happens for no reason

b)

The females don't like the one that they had

c)

The exoskeleton doesn't grow with the arthropod

d)

They are done hibernating

26.
What type of symmetry do Arthropods have?
a)
Radial
b)
Bilateral
c)
Asymmetrical
27.

Molting is dangerous business since:

a)

it has to occur at the right time

b)

at that time they are vulnerable to predators

c)

it takes a very long time to occur

d)

it releases scents to the water predators can follow easily

28.

An organism is an invertebrate if it is an

a)

animal that lacks a backbone

b)

animal that has a backbone

29.

We have 10 legs and a pair of antenna, we are

a)

insects

b)

arachnids

c)

myriapods

d)

crustaceans

30.

Animal with a hard outer skeleton, a segmented body, and paired, jointed limbs

a)

mollusk

b)

arthropod

c)

echinoderm

d)

cnidarian

31.
Which is the only sessile member of the marine arthropods?
a)
Coral 
b)
Sponges
c)
Anemones
d)
Barnacles
32.
What is the exoskeleton usually made up of?
a)
Chitin
b)
Bones
c)
Cuticle
d)
Carapace
33.
What is molting?
a)
The process in which arthropods reproduce
b)
The process in which arthropods shed their outer covering and grow a larger one.
c)
The process in which larval forms develop into adult forms
d)
The process in which arthropods breathe
34.
Lobster, shrimp, and crabs are examples of what group of Arthropods?
a)
Chilopoda
b)
Diplopoda
c)
Crustaceans
d)
Arachnida
35.
The word 'arthropoda' means...
a)
eight foot
b)
jointed foot
c)
flexible foot
d)
hard foot
36.
All arthropods have segmented bodies, jointed appendages, and ________________. 
a)
tails
b)
lungs
c)
wings
d)
an exoskelton
37.

Echinodermata

a)

"Rough skin"

b)

Water vascular system

c)

all of these answers are correct

d)

5-part body plan

38.

What are the characteristics of Phylum Echinoderm?

a)

Have soft bodies divided into segments and bilateral symmetry

b)

Parasites with long and slim bodies and bilateral symmetry

c)

Soft fleshy body covered by hard shells, most have a thick foot to open or close shell.

d)

Have a spiny exterior and a water vascular system used to eat, breath and move.

39.
Which Phylum does the sea urchin belong to?
a)
Mollusc
b)
Porifera
c)
Echinoderms
d)
Cnidarians
40.

An animal without a backbone

a)

chirdate

b)

vertebrate

c)

spina corda

d)

invertebrate

41.

An animal with a backbone

a)

invertebrate

b)

vertebrate

c)

spina corda

d)

cephalopod

42.
Which of the following is/are true of animals?
a)
They are multicellular.
b)
They are eukaryotic.
c)
They are heterotrophs.
d)
All choices are correct.
43.
What type of symmetry is displayed in the picture?
a)
asymmetry
b)
bilateral symmetry
c)
radial symmetry
d)
photosynthesis
44.

Animals with a hard, spiny, outer body covering, and radial symmetry, that live in marine environments are part of which phylum?

a)

echinoderms

b)

cnidarians

c)

annelids

d)

arthropods

45.

Starfish have the ability to regenerate.

a)

True

b)

False

46.

What does the word echinoderm mean?

a)

Striped skin

b)

Spiny skin

c)

Spiky skin

d)

Soft skin

47.

I look like a star and live in the oceans. I am not a fish.

a)

I am an arthropod

b)

I am an echinoderm

c)

I am a mollusk

d)

I am a sponge

48.

I am a sea cucumber

a)

I am an arthropod

b)

I am an echinoderm

c)

I am a mollusk

d)

I am a sponge

49.

An organism is an invertebrate if it is an

a)

animal that lacks a backbone

b)

animal that has a backbone

50.

Most sponges are ________________, but some live in freshwater.

a)

marine

b)

yellow

c)

square

d)

good cooks

51.

Sponges can grow back missing parts through __________________.

a)

a heal potion

b)

regeneration

c)

vapor rub

52.

As adults sponges are _____________, meaning they remain in one place.

a)

wrinkly

b)

slow

c)

sessile

53.

Sponges get food by ________________________.

a)

filter-feeding

b)

hunting

c)

going to the Crusty Crab

54.

The outer layer of the cells in a sponge is made up of _______________cells.

a)

covering

b)

outer

c)

skin

55.

What type of symmetry do sponges (Porifera) have?

a)

asymmetrical

b)

radial

c)

bilateral

d)

medial

56.

Do sponges have an organ system?

a)

no

b)

yes

57.

I have no mouth but many pores and am asymmetric. I don't move very much but I am a marine animal.

a)

I am an arthropod

b)

I am a mollusk

c)

I am a sponge

d)

I am a cnidarian

58.

Which of these invertebrates have asymmetric bodies?

a)

worms

b)

sponges

c)

cnidarians

d)

echinoderms

59.

An organism that lives attached to a surface or the bottom of the ocean is __________.

a)

motile

b)

sessile

c)

planktonic

d)

hydrophilic

60.

Sponges "eat" by moving water through the small pores and out the larger pore at the top while the "food" is transported by collar cells. This is an example of what feeding strategy?

a)

carnivore

b)

filter-feeding

c)

suspension feeding

d)

omnivore

61.

What are these organisms?

a)

Sea anemone

b)

Sea star

c)

Sea sponge

d)

Sea urchin

62.

What type of body symmetry do these organisms have?

a)

asymmetry

b)

radial

c)

bilateral

d)

all of the answer choices are correct

63.
Sponges use pores to 
a)
move from place to place.
b)
filter food from the water.
c)
defend themselves.
d)
clean themselves
64.

Annelida

a)

segmented worms

b)

flatworms

c)

round worms

d)

peanut worms

65.

Flatworms

a)

Platyhelminthes

b)

Nematoda

c)

Annelida

d)

Arthropoda

66.

Platyhelminthes

a)

Flatworms

b)

Round Worms

c)

Segmented Worms

d)

Tube Worms

67.

This worms body is very flat. What phylum does it belong to?

a)

Porifera

b)

Cnidaria

c)

Mollusca

d)

Platyhelminthes

68.

This sandcastle worm uses its feeding tentacles to catch food particles suspended in the water. What is the name of this feeding strategy?

a)

detrivore

b)

filter-feeding

c)

suspension feeding

d)

omnivore

69.

What does it mean when an organism is hermaphroditic?

a)

They produce female gametes

b)

They produce both male and female gametes

c)

They produce male gametes

d)

They produce no gametes

70.

Which of these animal phyla have complete digestive systems? (you can choose more than one)

a)

Porifera

b)

Annelida

c)

Arthropoda

d)

Mollusca

71.
Simplest worm
a)
Phylum Platyhelminthes
b)
Phylum Nematoda
c)
Phylum Annelida
d)
Phylum Porifera
72.
Most complex worm
a)
Phylum Platyhelminthes
b)
Phylum Nematoda
c)
Phylum Annelida
d)
Phylum Porifera
73.
Which phylum do roundworms belong to?
a)
Turbellaria
b)
Cestoda
c)
Nematoda 
d)
Porifera 
74.
Which phylum includes hookworms, pinworms, askaris worms and heart worms?
a)
Platyhelminthes
b)
Nematoda
c)
Annelida
d)
Porifera
75.
Flatworms can reproduce
a)
sexually only
b)
asexually only 
c)
both sexually and asexually
d)
neither sexually or asexually
76.
What type of symmetry do Platyhelminthes bodies have?
a)
bilateral
b)
radial
c)
asymmetrical
d)
both asymmetrical and radial
77.
Which phylum of worms has a bilateral symmetry, one-way digestive system, respiration through skin, hydrostatic skeleton and segmented body?
a)
Annelida
b)
Platyhelminthes
c)
Nemotoda
d)
Nemertea
78.

Annelida

a)

segmented worms

b)

flatworms

c)

round worms

d)

peanut worms

79.

Flatworms

a)

Platyhelminthes

b)

Nematoda

c)

Annelida

d)

Arthropoda

80.

Platyhelminthes

a)

Flatworms

b)

Round Worms

c)

Segmented Worms

d)

Tube Worms

81.

This worms body is very flat. What phylum does it belong to?

a)

Porifera

b)

Cnidaria

c)

Mollusca

d)

Platyhelminthes

82.

This sandcastle worm uses its feeding tentacles to catch food particles suspended in the water. What is the name of this feeding strategy?

a)

detrivore

b)

filter-feeding

c)

suspension feeding

d)

omnivore

83.

What does it mean when an organism is hermaphroditic?

a)

They produce female gametes

b)

They produce both male and female gametes

c)

They produce male gametes

d)

They produce no gametes

84.

Which of these animal phyla have complete digestive systems? (you can choose more than one)

a)

Porifera

b)

Annelida

c)

Arthropoda

d)

Mollusca

85.
Simplest worm
a)
Phylum Platyhelminthes
b)
Phylum Nematoda
c)
Phylum Annelida
d)
Phylum Porifera
86.
Most complex worm
a)
Phylum Platyhelminthes
b)
Phylum Nematoda
c)
Phylum Annelida
d)
Phylum Porifera
87.
Which phylum do roundworms belong to?
a)
Turbellaria
b)
Cestoda
c)
Nematoda 
d)
Porifera 
88.
Which phylum includes hookworms, pinworms, askaris worms and heart worms?
a)
Platyhelminthes
b)
Nematoda
c)
Annelida
d)
Porifera
89.
Flatworms can reproduce
a)
sexually only
b)
asexually only 
c)
both sexually and asexually
d)
neither sexually or asexually
90.
What type of symmetry do Platyhelminthes bodies have?
a)
bilateral
b)
radial
c)
asymmetrical
d)
both asymmetrical and radial
91.
Which phylum of worms has a bilateral symmetry, one-way digestive system, respiration through skin, hydrostatic skeleton and segmented body?
a)
Annelida
b)
Platyhelminthes
c)
Nemotoda
d)
Nemertea
92.

Which phylum does an octopus belong in?

a)

Porifer

b)

Cnidaria

c)

Mollusca

d)

Arthropoda

93.

Which phylum does this anemone belong in?

a)

Porifer

b)

Cnidaria

c)

Mollusca

d)

Arthropoda

94.

Which phylum does this crab belong to?

a)

Porifera

b)

Cnidaria

c)

Platyhelminthes

d)

Arthropoda

95.

This person is holding a very small worm on their finger. This worms body is very flat. What phylum does it belong to?

a)

Porifera

b)

Cnidaria

c)

Mollusca

d)

Platyhelminthes

96.

Which phylum does this sea star belong to?

a)

Echinoderm

b)

Arthropoda

c)

Nematoda

d)

Platyhelminthes

97.

Arthropoda

a)

Shrimp

b)

Clam

c)

Snail

d)

Jellyfish

98.

Shrimp, Crabs, Lobsters, Sea spiders, (bugs)

a)

Arthropoda

b)

Annelida

c)

Anthozoa

d)

Arthurea

99.

Starfish (Sea stars), Sea urchins, Sea cucumbers

a)

Echinodermata

b)

Annelida

c)

Arthropoda

d)

Ikidnaea

100.

Mollusca

a)

Snails

b)

Jellyfish

c)

Lobsters

d)

Crabs

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