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Quarter 3 Exam-- Invertebrates!

Total questions: 65

Worksheet time: 2hrs 36mins

Name
Class
Date
1.

Which of the following is NOT a class of cnidarians?

a)

Ctenophora

b)

Anthozoa

c)

Scyphozoa

d)

Cubozoa

2.

What trait gives jellies in the Phylum Ctenophora their common name?

a)

Box shape

b)

Combs

c)

Tentacles

d)

Polyps

3.

When a Cnidarian catches prey, it uses stinging cells called...

a)

Colloblasts

b)

Stingers

c)

Cnidocytes

d)

Blastoscytes

4.

When a Cnidarian catches prey, it uses stinging cells called...

a)

Colloblasts

b)

Stingers

c)

Cnidocytes

d)

Blastoscytes

5.

After a cnidarian has stung it's prey, it uses it's tentacles to pull the food into the hollow space inside of it's body. This space is called the...

a)

Mesoglea

b)

Mesoderm

c)

Gastrovascular Cavity

d)

Stomach

6.

Which of the following is a correct description of the polyp body form?

a)

It's mostly sessile and the tentacles point downward.

b)

It's mostly sessile and the tentacles point upward.

c)

It's mostly mobile and the tentacles point downward.

d)

It's mostly mobile and the tentacles point upward.

7.

_____ are box-shaped medusa.

a)

Anthozoans

b)

Scyphozoans

c)

Cubozoans

d)

Hydrozoans

8.

The _____ enables cnidarians to respond to stimuli in their environment and send electrical impulses to the muscles.

a)

nerve net

b)

brain

c)

peripheral nerves

d)

nerve cord

9.
Which body form is represented by this diagram?
a)
Mesoglea
b)
Medusa
c)
Polyp
d)
Polyp changing into medusa
10.

What is a defining characteristic between a cnidarian and a ctenophore?

a)

Ctenophores are freshwater and cnidarians are marine

b)

cnidarians have stinging cells and ctenophores don't

c)

ctenophores have stinging cells and cnidarians don't

d)

ctenophore is another name for cnidarian

11.
Which of the following are not Cnidarians?
a)
Jellyfish
b)
Coral
c)
Hydras
d)
Comb Jellies
12.

What is the "jelly" found in jellyfish that help them float easily?

a)

Mesoglea

b)

Grape

c)

Cellulose

d)

Melanin

13.

If you are stung by a jellyfish, what are the TWO treatments you can use to relieve the sting?

a)

freshwater on the sting

b)

urine on the sting

c)

vinegar on the sting

d)

saltwater on the sting

14.

True jellies belong to the class _______.

a)

Staurozoa

b)

Anthozoa

c)

Cubozoa

d)

Scyphozoa

15.

What is this organism? What Class does it belong to?

a)

jellyfish:scyphozoa

b)

Portuguese man-of-war:hydrozoa

c)

hydra:hydrozoa

d)

coral:anthozoa

16.
The venom that is stored in the cnidoblasts is delivered through the
a)
operculum
b)
enteron
c)
mesogea
d)
nematocysts
17.

This is a member of...

a)

cnidaria

b)

ctenophora

c)

profiera

18.
Anemones and Corals are in which kingdom?
a)
Protista
b)
Cubozoa
c)
Animalia
d)
Cnidaria
19.

The skeleton, and the calyx, of corals is made out of what substance?

a)

silica

b)

calcium carbonate

c)

silica carbonate

d)

phosphorous

20.
Cnidarians have a trait called dimorphism. This means that....
a)
They can change size whenever they are being chased.
b)
They camouflage to blend in with various organisms.
c)
They have three body forms.
d)
They have two body forms.
21.

Which part of a cnidarian's body is waste dispelled from?

a)

the gastrodermis

b)

the tentacles

c)

the mesoglea

d)

the gastrovascular cavity

22.
Sponges belong to which group of animals?
a)
Vertebrates
b)
Invertebrates
23.
Most sponges are hermaphrodites.  What does this mean?
a)
sponges can produce their own food
b)
sponges can produce both eggs and sperm
c)
sponges cannot reproduce
d)
sponges can swim around
24.

What is the name of the phylum sponges belong to?

a)

Cnidaria

b)

Arthropoda

c)

Echinodermata

d)

Porifera

25.

___________ are tiny hard particles that give a sponge support and can provide protection if they are made out of calcium carbonate or silica glass.

a)

spongin

b)

bones

c)

buds

d)

spicules

26.
Sponges have many pores or ______ to circulate water. 
a)
osculum
b)
holes
c)
ostia
d)
spongin
27.
cells have sticky, funnel-shaped collar to collect food particles and a flagellum that creates a water current
a)
amoebocyte
b)
ostiocyte
c)
pinacocyte
d)
choanocyte
28.

How do sponges obtain food?

a)

filter it from the water

b)

grasp it with tentacles

c)

pry it apart with tube feet

d)

put it in their mouth with jointed legs

29.

What is true about sponges?

a)

They have organs

b)

They have tissues

c)

They have a backbone

d)

They are animals

30.
Because sponges cannot move around they are considered ______. 
a)
sessile
b)
senile
c)
sedementary
d)
spongin
31.
What is the radula used for?
a)
Locomotion
b)
Feeding
c)
Swimming
d)
Digging
32.
The protective membrane that surrounds the visceral mass on all mollusks is called...
a)
Radula
b)
Mantle
c)
Nephridia
d)
Visceral Shield 
33.
All mollusks have an external shell.
a)
True
b)
False
34.

What TYPE of mollusk is this?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

35.

What TYPE of mollusk is this?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

36.

What TYPE of mollusk is this?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

37.

What TYPE of mollusk is this?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

38.

What TYPE of mollusk is this?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

39.

Which TYPE of mollusk is most intelligent?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

40.

Which TYPE of mollusk has two shells?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

41.

Which TYPE of mollusk has ONE or NO shell?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

42.
What does Cephalopod mean?
a)
means "2-shells"
b)
means "head-foot"
c)
means "stomach-foot"
43.
Which class of Mollusks include squid, cuttlefish and octopus?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
d)
Polyplacophora
44.
Which part of the Mollusk body is specialized for burrowing, feeding, and movement?
a)
trochophores
b)
visceral mass
c)
mantle
d)
foot
45.
Which class of Mollusks is the only class with some terrestrial species?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
46.
Which group of cephalopods has ability to flatten body to fit in small spaces and change skin to blend with surroundings?
a)
Cuttlefish
b)
Nautilus
c)
Squid
d)
Octopuses
47.
Cephalopods move by
a)
using jet propulsion
b)
waving their tentacles back and forth.
c)
crawling along on a single muscular foot.
d)
clapping their shells together.
48.
Which class of Mollusks have a closed circulatory system?
a)
Gastropods
b)
Bivalves
c)
Cephalopods
d)
All of the classes
49.

1/3 of an Octopus' brain is located in its _____. The other 2/3 are located in its ____

a)

head, arms

b)

arms, head

c)

mantle, radula

d)

visceral mass, mantle

50.

This red spotted nudibranch looks venomous, but is not as venomous as its counterpart. This is called...

a)

Batesian Mimicry

b)

Mullerian Mimicry

c)

Plagiarism

51.

The warning coloration in this blue ring octopus is produced by

a)

chromatophores

b)

blue rings picked up from the ocean floor

c)

its diet

d)

cnidocytes

52.

These small coquinas are found on many Florida beaches. If they are present and healthy, researchers will know that the ecosystem is healthy and thriving. If the coquinas are dying off, or sick, ecologists should be concerned about the overall health of the ecosystem. What is this type of species called?

a)

Invasive species

b)

Keystone species

c)

Indicator species

d)

Super duper important species

53.

This nudibranch steals chloroplasts from algae and uses those chloroplasts for photosynthesis. This process is called

a)

kleptoplasty

b)

chloroplasts

c)

kleptomania

d)

tomfoolery

54.

What is this animal?

a)

Portuguese Man-O-War

b)

Cnidarian

c)

Hydrozoan

d)

A colony of organisms (or as Jamar would call it, "animal leggos")

55.

Squid have 3 hearts

a)

True

b)

False

56.

Which of the following are animals?

a)

Coral

b)

Sponge

c)

Jellyfish

d)

Sea slug

57.
What type of circulatory system do annelids have?
a)
Open Circulatory System
b)
Closed Circulatory System
c)
They don't need a circulatory system
d)
They have both types
58.
Which annelid has developed the ability to suck blood from other organisms?
a)
Oligochaeta
(earthworms)
b)
Polychaeta
(bristle worms)
c)
Hirudinea
(leeches)
d)
Nematoda
(roundworms)
59.
Which phylum do roundworms belong to?
a)
Molluska
b)
Annelida
c)
Nematoda
d)
Platyhelminthes
60.
Which phylum do earthworms belong to?
a)
Molluska
b)
Annelida
c)
Nematoda
d)
Platyhelminthes
61.
Which of the following is NOT a class in phylum Mollusca?
a)
Gastropoda
b)
Bivalvia
c)
Cephalopoda
d)
Hirudinea
62.
Which of the following is a segmented worm?
a)
Platyhelminthes
b)
Nematoda
c)
Annelida
d)
Turbellaria
63.
An organism that has a radula belongs to which phylum?
a)
Annelida
b)
Nematoda
c)
Molluska
d)
Cnidaria
64.
Which larva identifies mollusks and annelids?
a)
Planula
b)
Trochophore
65.
Which annelids are known for living in marine environments?
a)
Oligochaetes
b)
Polychaetes
c)
Hirudinea
d)
Molluska

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