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Unit 2 Test 2020

Total questions: 72

Worksheet time: 51mins

Name
Class
Date
1.

A difference between gastropods and bivalves is

a)

Gastropods have 1 shell and bivalves have 2 shells

b)

Gastropod is a filter feeder while bivalves have a mouth

c)

Gastropods have a radula and bivalves have a beak

2.

Class cephalopoda includes

a)

Clams and Mussels

b)

Octopus and Squid

c)

Snails

3.
A row of tiny teeth found in gastropods is called a 
a)
Mantle
b)
Radula
c)
Gills
d)
Bivalve
4.
The most intelligent group of mollusks 
a)
Gastropod
b)
Animal
c)
Cephalopod
d)
Sessile
5.
Staying in one place and not moving 
a)
Sessile
b)
Radula
c)
Mantle
d)
Bivalve
6.

Which part of the Mollusk body is specialized for burrowing, feeding, and movement?

a)

trochophores

b)

visceral mass

c)

mantle

d)

foot

7.

Which class of Mollusks include clams, oysters, and mussels?

a)

Gastropods

b)

Bivalves

c)

Cephalopods

8.

Which class of Mollusks includes snails, slugs, or nudibranches?

a)

Cephalapods

b)

Bivalves

c)

Gastropods

9.
What is the meaning of Cephalopods?
a)
Stomach-foot
b)
Head-footed
c)
Two-shelled
d)
Soft-bodied
10.
Which group of Mollusks does the picture belong to?
a)
Gastropod
b)
Bivalve
c)
Cephalopod
11.
What Mollusk group does the picture belong to?
a)
Gastropod
b)
Bivalve
c)
Cephalopod
12.

What Mollusk group does the picture belong to?

a)

Gastropod

b)

Bivalve

c)

Cephalopod

13.
What is the meaning of Mollusks?
a)
Soft-bodied
b)
filter feeder
c)
porus
d)
stomach foot
14.
Which part of the Mollusk body is the tissue covering the body and secretes the shell?
a)
Mantle
b)
Trochophore
c)
Foot
d)
Visceral Mass
15.
Which class of Mollusks have many species that are sessile?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
d)
arthropods
16.
Mollusk's tongue-like strip covered with teeth that point backward is called the ____
a)
trochopore
b)
radula
c)
gills
d)
visceral mass
17.
How do flatworms obtain food?
a)
They have one opening serving as a mouth and an anus
b)
They have a mouth separate from its anus
c)
They obtain nutrition by absorbing through the environment
d)
They have several openings to their gastrovascular cavity
18.
Flat worms have eyespots that function to
a)
detect light and move away from the light
b)
detect light and move towards the light
c)
detect food sources and move towards the source
d)
detect chemicals and move away from chemicals
19.
Letter C represents
a)
Pharynx
b)
Eyespot
c)
Ganglia
d)
VentralNerve cords
20.
Letter A represents the
a)
eyespots
b)
pharynx
c)
gastrovascular cavity
d)
ganglia
21.
What is the correct order of relationships from basic to more complex?
a)
cells, tissues, organs, systems
b)
tissues, organs, systems, cells
c)
organs, systems, cells, tissues
d)
cells, organs, tissues, systems
22.
Which of the following phyla was the first to exhibit body segmentation?
a)
Annelida
b)
Arthropoda
c)
Cnidara
d)
Echindermata
23.
A stiff hair, bristle or bristle like process or part on an organism
a)
Ganglia
b)
Setae
c)
Parapodia
d)
Nephridia
24.
Earthworms have setae, which are like bristles that help them ___.
a)
move
b)
eat
c)
reproduce
25.
Why are earthworms beneficial to humans? 
a)
They breakdown organic material in soil
b)
They aerate the soil
c)
Castings (worm poo) are rich in ammonia - used by plants
d)
All 3 are benefits
26.
Term that describes animals with a hollow, fluid filled cavity completely surrounded by a mesoderm
a)
acoelomate
b)
coelomate
c)
pseudocoelomate
d)
parasites
27.
Earthworms belong to Phylum______________
a)
Platyhelminthes
b)
Annelida
c)
Nematoda
d)
Mollusca
28.
Earthworm have  _______ symmetry. The left and right side look the same and have similar organs and tissues.
a)
radial
b)
assymetrical
c)
bilateral
d)
prismatic
29.
Which of the following do all worms have in common?
a)
They are all coelomates.
b)
They are all bilateral
c)
They all have a complete digestive tract.
d)
They are all parasitic.
30.
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
31.

Which class of Mollusks include organisms that have camera-like eyes similar to humans?

a)

Gastropods

b)

Bivalves

c)

Cephalopods

32.
Which class of Mollusks have the most advanced nervous system?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
33.
What are the major groups of Mollusks?
a)
Cnidarians, Gastropods, Porifera
b)
Gastropods, Bivalves, Cephalopods
c)
Porifera, Cephalopods, Cnidarians
34.

Why do octopuses have the name octopus?

a)

they have 8 eyes

b)

they have 3 hearts

c)

they have suckers

d)

they have 8 tentacles

35.
What is one thing octopuses do to protect themselves from predators?
a)
Octopuses pretend like they are sleep.
b)
Octopuses use their heads to fight. 
c)
Octopuses do not protect themselves. 
d)
Octopuses  squirt ink into the water to blind other animals.
36.

What is the meaning of Bivalve?

a)

Two-shelled

b)

Head-footed

c)

Soft-bodied

d)

Stomach footed

37.
How do Bivalves eat?
a)
Filter feeders
b)
Radula
c)
Tentacles
38.

This is a

a)

flamingo tongue cone snail

b)

abalone

c)

clam

39.

This is a

a)

elephant trunk clam

b)

file clam

c)

razor clam

40.

This is a

a)

oyster

b)

scallop

c)

cone snail

d)

quahog

41.

This is eats the dangerous Portuguese man-o-war.

a)

blue dragon nudibranch

b)

man o war

c)

blue sponge

42.

?

a)

leopard cone snail

b)

spotted whelk

c)

flamingo tongue cone snail

43.

These are tiny and edible clams found on all local beaches, including Surfside.

a)

quohog

b)

giant clam

c)

coquina clam

44.

This blue Christmas tre worm has_______ symmetry

a)

bilateral

b)

radial

c)

assymetrical

d)

no

45.

?

a)

reef squid

b)

cuttlefish

c)

tiger octopus

46.

This deadly Australian octopus is a

a)

tiger octopus

b)

giant octopus

c)

blue ring octopus

d)

reef octopus

47.

The nudibranch is a type of

a)

marine sea slug

b)

jellyfisg

c)

coral

d)

flat worm

48.

The hard part of the mouth in squid is called the

a)

Beak

b)

Radula

c)

Tentacle

d)

Arm

49.

This adorable octopus is called the

a)

dumbo octopus

b)

adorable octopus

c)

sea kraken

d)

vampire squid

50.

You are smart. You can figure this out even though we did not cover this species. This is the fearsome

a)

scallop

b)

vampire squid

c)

flamboyant cuttlefish

d)

gar

51.

All sea shells are

a)

nudibranchs

b)

gastropods

c)

bivalves

d)

cephlapods

52.

This type of flatworm is free-living in freshwater and marine environments.

a)

Trichinosis

b)

Planarian

c)

Schistosomiasis

d)

Tapeworm

53.
How does a tapeworm get their nutrition?
a)
Through the mouth and complex digestive system.
b)
Absorb from host intestine directly through skin.
54.

What is cephalization?

a)

Having male and female parts at the posterior end of the body..

b)

A concentration of sense organs and nervous system at the anterior end of the body.

c)

Feeding off of another organism either as a parasite or carnivore.

d)

Exchanging gases through a thin, moist layer of skin.

55.

Jellyfish have what type of body structure

a)

Medusa

b)

Polyp

c)

Hydra

d)

Branched

56.

Sea anemones have what type of body structure?

a)

Medusa

b)

Polyp

c)

Down

d)

Sessile

57.

Cnidarians hunt with

a)

Nematocysts

b)

Polyps

c)

Statocysts

d)

Cnidocytes

58.

T/F: Cnidarians have eyes that function just like ours do.

a)

True

b)

False

59.

What is the name of the algae that inhabit the coral?

a)

green algae

b)

euglenoids

c)

zooxanthellae

60.
Cnidarians have nerves, but no central nervous system
a)
True
b)
False
61.

What type of symmetry is shown

a)

Bilateral

b)

Radial

c)

Asymmetry

d)

No symmetry

62.

The picture above represents a cnidarian that has a polyp body plan.

a)

TRUE

b)

FALSE

63.

Animal in the picture is classified as a cnidarian.

a)

TRUE

b)

FALSE

64.
How do water-dwelling Mollusks breathe?
a)
radula
b)
mantle
c)
gills
d)
foot
65.
Which class of Mollusks is the only class with some terrestrial species?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
66.

?

a)

Clown nudibranch

b)

Flamboyant cuttlefish

c)

giant cuttlefish

67.

These deadly Australian jellyfish are called

a)

box jellyfish

b)

moon jellies

c)

lions mane jellyfish

d)

Portuguese man-o-war

68.

This is the deadly

a)

Portuguese man-o-war

b)

box jellyfish

69.

This is a

a)

annelid

b)

roundworm

c)

flatworm

70.

This is a

a)

giant octopus

b)

giant squid

c)

cuttlefish

71.

There is a very well camoflauged octopus in this photo.

a)

true

b)

false

72.

This is preyed upon by sperm whales.

a)

giant octopus

b)

giant squid

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