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Z03_PorCnid_Test Review

Total questions: 70

Worksheet time: 1hrs 10mins

Name
Class
Date
1.
The hard "skeleton" structures in a sponge are called...
a)
Spongin
b)
Spicules
c)
Amebocytes
d)
Pinococytes
2.
What type of symmetry do sponges (Porifera) have?
a)
asymmetrical
b)
radial
c)
bilateral 
d)
medial
3.
What habitat can sponges be found or inhabit?
a)
Saltwater and Freshwater
b)
Saltwater only
c)
Rainforest
d)
Freshwater only
4.
What is the outer layer of a sponge composed of?
a)
pinacocytes
b)
choancytes
c)
amebocytes
d)
spongocoel
5.
What  is space between the outer cell layer and inner cell layer that has amebocytes, spongin, and spicules it called?
a)
epidermis
b)
mesoglea
c)
mesohyl
d)
gatrodermis
6.
The elastic fibrous protein found in sponges is called .....
a)
mesohyl
b)
spicules
c)
spongin
d)
tissue
7.
What level of organization do cnidarians have?
a)
specialized cells
b)
tissues
c)
organs
d)
organ systems
8.
ID the Class of the common bath sponge.
a)
Demospongiae
b)
Hexactinellida
c)
Calcarea
d)
Cnidaria
9.
What type of symmetry do cnidarians have?
a)
asymmetrical
b)
bilateral
c)
radial
10.
Which of the following is a correct description of the cnidarian digestive tract?
a)
A complete consisting of two openings.
b)
A complete consisting of one opening
c)
An incomplete consisting of two openings.
d)
An incomplete consisting of one opening.
11.
Which of the following is the correct description of the nervous system of cnidarians?
a)
individual cellular response
b)
concentration of nerve cells at one end
c)
cerebral ganglia connected to a nerve cord
d)
a nerve net with sense organs for light detection and balance
12.
What does the ectoderm of a cnidarian form?
a)
the brain
b)
the epidermis
c)
the gastrodermis
d)
the skeleton
13.
Which of the following is a correct description of the polyp body form?
a)
Sedentary and mouth points downward.
b)
It is sedentary and the mouth points upward.
c)
It is mobile and the mouth points downward.
d)
It is mobile and the mouth points upward.
14.
What are the organelles inside the stinging cells that inject paralyzing toxins into their prey?
a)
pinacocytes
b)
cnidocil
c)
choanocytes
d)
nematocysts
15.
What surrounds the mouth of  a cnidarian?
a)
guard cells
b)
pinococytes
c)
tentacles
d)
spines
16.
What is the large opening at the top of the central sponge body cavity through which water leaves the sponge called?
a)
Ostia
b)
Oscula
c)
Spongecoel
d)
Osculum
17.
Which of the three type of cells in sponges move around, digest food particles, and secrete skeletal components?
a)
Pinacocyte
b)
Choanocyte
c)
Collar cell
d)
Amebocytes
18.
Which Phylum does this animal belong?
a)
Porifera
b)
Cnidaria
c)
Hexactinellida
d)
Hydrozoa
19.
Which class contains freshwater sponges?
a)
Calcarea
b)
Demospongiae
c)
Hexactinellida
d)
Porifera
20.
Which class of sponges has spicules composed of calcium carbonate with 3 or 4 rays ?
a)
Calcarea
b)
Demospongiae
c)
Hexactinellida
d)
Scyphozoa
21.
ID the class.
a)
Anthozoa
b)
Scyphozoa
c)
Hydrozoa
d)
Cubozoa
22.
How is this animal reproducing?
a)
Asexual Budding
b)
Sexual 
c)
Gemmule Formation
d)
Asexual Mitosis
23.
ID the Class of the Portuguese Man-o-War
a)
Hydrozoa
b)
Anthozoa
c)
Scyphozoa
d)
Cubozoa
24.
ID the Class.
a)
Scyphozoa
b)
Anthozoa
c)
Hydrozoa
d)
Cubozoa
25.
What class of sponges has spicules with 6 rays composed of silica?
a)
Demospongiae
b)
Hexactinellida
c)
Calcarea
d)
Anthozoa
26.
What are some characteristics of sponges?
a)
Have some tissues
b)
Have stinging cells, and actively hunt for prey.
c)
Adults are stationary and get energy by water carrying food particles.
d)
Have a simple nerve net.
27.

What is level of anatomical organization of sponges?

a)

Have some tissues

b)

Specialized cells

c)

Simple organ system (nervous system)

d)

Organ system (nervous, digestive, closed circulatory)

28.
The specialized cell sponges use for capturing food particles is the...
a)
Pinacocyte
b)
Amebocyte
c)
Choanocyte
d)
Cnidocyte
29.
What characteristic defines phylum porifera?
a)
Choanocyte Cell
b)
Filter Feeding
c)
Spongocoel
d)
Ostia
30.
What is the correct order of water flow in the sponge?
a)
Ostia, Oscula, Spongocoel, Osculum
b)
Osculum, Ostia, Spongocoel, Oscula
c)
Spongocoel, Ostia, Oscula, Osculum
d)
Ostia, Osculum, Spongocoel, Oscula
31.
When sponges surround an amebocyte cell with protective spicules it is classified as ___ reproduction.
a)
Asexual Budding
b)
Regeneration
c)
Sexual
d)
Gemmule 
32.
What specialized group of cells are responsible for a sea anemone's sedentary life style?
a)
Basal Disk
b)
Gastrovascular Cavity
c)
Tentacle 
d)
Mesoglea
33.
The free swimming sexual reproduction part of an Obelia's life cycle is...
a)
the feeding polyp stage.
b)
the reproductive polyp stage.
c)
the medusa stage.
d)
the hydrozoan stage.
34.
Sponges are classified as a ___ body type.
a)
Unicellular
b)
Coelomate
c)
Psuedocoelomate
d)
Diploblast
35.
Jellyfish and other cnidarians has a(n) ____ body type.
a)
Unicellular
b)
Diploblastic
c)
Triploblastic
d)
Acoelomate
36.

What was the non animal evolutionary ancestor to the early sponges and cnidarians?

a)

Viruses

b)

Cnidocytes

c)

Protists

d)

Cnidarians

37.
The members of the cnidarian taxon is defined by...
a)
the medusa body form.
b)
the polyp body form.
c)
choanocyte cells.
d)
cnidocyte cells.
38.
When your freshwater hydra ate the daphnia extra-cellular digestion occurred...
a)
before the daphnia entered the mouth/anus.
b)
within the spongocoel.
c)
in the gastrovascular cavity.
d)
in the gastrodermal cells.
39.
Corals are essential players to shallow equatorial marine ecosystems that have little nutrients. What is true about coals?
a)
These anthozoans have symbiotic relationships with algae.
b)
These syphozoans are active predators of many fish.
c)
These anthozoans thrive when the water has lots of sediment added.
d)
These cubozoans are very toxic and cause other animals to use them for protection.
40.
Identify the blue structure.
a)
Asexual Bud
b)
Mouth/Anus
c)
Mesoglea
d)
Gastrovascular Cavity
41.
Identify the blue structure.
a)
Epidermis
b)
Gastrodermis
c)
Mesoglea
d)
Basal Disk
42.
Identify the blue structure.
a)
Basal Disk
b)
Asexual Bud
c)
Cnidocyte
d)
Mesoglea
43.
Identify the blue structure.
a)
Gastrovascular Cavity
b)
Asexual Bud
c)
Basal Disk
d)
Mesoglea
44.
Identify the blue structure.
a)
Choanocyte
b)
Amebocyte
c)
Spicule
d)
Porocyte
45.
Identify the blue structure.
a)
Porocyte
b)
Ostium
c)
Oscula
d)
Choanocyte
46.
Identify the blue structure.
a)
Ostia
b)
Osculum
c)
Spongocoel
d)
Oscula
47.
Identify the blue structure.
a)
Choanocyte
b)
Amebocyte
c)
Spongocoel
d)
Holdfast
48.

What type of reproduction has occurred when a sponge egg is fertilized by sperm?

a)

Gemmule

b)

Sexual

c)

Asexual

d)

Budding

49.

Identify the sponge's phylum name.

a)

Hexactinellida

b)

Demospongiae

c)

Calcarea

d)

Porifera

50.

What role does a sponge play in the reef ecosystem?

a)

Lower the populations of invertebrates through predation.

b)

Produce chemical energy through photosynthesis.

c)

Grow algae and feed small fish.

d)

Act as a nutrient gatherer and recycler.

51.

All individual sponges can produce both eggs and sperm. What is it called when animals have this ability?

a)

Unicellular

b)

Asexual

c)

Monoecious

d)

Dioecious

52.

What characteristic defines the sponge phylum?

a)

Amebocyte cells

b)

Types of spicules

c)

Choanocyte cells

d)

Holdfasts

53.

What ties the support structures together in the sponge?

a)

Flagella

b)

Gemmules

c)

Spongin

d)

Holdfasts

54.

When an amebocyte is surrounded by layers of spicules to survive the hard times, it is called a...

a)

Spongin

b)

Bud

c)

Monoecious

d)

Gemmule

55.

What does it mean when we say sponges are sessile?

a)

They don't move very often.

b)

They cannot move ever.

c)

They eat small drifting particles.

d)

They have no tissues.

56.

Eden is out for a swim when she finds a dark green flat sponge with many osculums. The sponge is found with a holdfast buried in the shell of a dead crab. She takes a sample off the sponge and looks at it under the microscope on the boat she sees that it has flagellated cells and 6 pointed silica spicules with very little spongin. Using this information what CLASS is Eden's sponge in?

a)

Calcarea

b)

Hexactinellida

c)

Demospongiae

d)

Porifera

57.

Jon is spear fishing and accidentally breaks a chunk of a sponge off and it drifts out to sea, but the rest stays attached to the reef. When Jon returns a year later he notices that the sponge looks whole. What has occurred?

a)

The sponge regenerated

b)

The sponge budded

c)

The sponge formed gemmules.

d)

The sponge mesohyled.

58.

What prevents the sponge from drifting away in the current?

a)

The flagella on the choanocytes.

b)

The downward force from the osculum.

c)

The holdfast on the reef.

d)

The thickness of the mesohyl.

59.

Sponge cells phagocytize (swallow) food bits before breaking them down with enzymes. What type of digestion is this?

a)

Intracellular digestion

b)

Extracellular digestion

c)

Simple digestion

d)

Complex digestion

60.

What part of the cnidocyte cell stores the pressure that allows the sting to happen?

a)

Operculum

b)

Nematocyst

c)

Mesoglea

d)

Cnidocil

61.

What part of the cnidocyte cell is the stinger?

a)

Operculum

b)

Nematocyst

c)

Mesoglea

d)

Cnidocil

62.

Which of these is a factor in increased coral bleaching?

a)

Decreased water temperature

b)

Decreased water acidity

c)

Decreased water clarity

d)

Increased large predatory fish populations

63.

What system allows the sensory cells to communicate with the muscles in a freshwater hydra?

a)

Gastrovascular Cavity

b)

Nerve net

c)

Mesoglea

d)

Cnidocytes

64.

What does cnidarian mean?

a)

Nervous system

b)

Double life (alternating)

c)

Stinging nettle (cell)

d)

Digestive cavity

65.

Which cnidarian class does not exist in the free swimming form?

a)

Anthozoa

b)

Hydrozoa

c)

Scyphozoa

d)

Cubozoa

66.

Where does intracellular digestion occur?

a)

In the gastrovascular cavity

b)

In the gastrodermal cells

c)

Outside the body

d)

In the epidermis

67.

Coral polyps are able to survive in the clear tropical waters because of their relationship with...

a)

Algae

b)

Fish

c)

Crown of thorns star fish

d)

Kelp

68.

What is the defining characteristics of kingdom animalia?

a)

Multicellular, Prokaryotic, Autotrophs

b)

Single cellular, Prokaryotic, Heterotrophs

c)

Multicellular, Eukaryotic, Heterotrophs

d)

Single Cellular, Eukaryotic, Autotrophs

69.

What is the name of this type of life cycle?

a)

Complete Metamorphosis

b)

Incomplete Metamorphosis

c)

Alternating Generation

70.

Identify the blue circled structure

a)

Asexual Budding

b)

Dioecious Sexual

c)

Monoecious Sexual

d)

Gemmule

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