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Unit 2 Review Danville Zoo

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

What is another name for the collar cell?

a)

osculum

b)

choanocyte

c)

amoebocyte

d)

polo

2.

What is the structure that moves the water through a sponge?

a)

cilia

b)

amoebocyte

c)

flagellum

d)

collar

3.

What do you call the microscopic, hard structures that make a sponge difficult to eat?

a)

spicules

b)

ocsulum

c)

spongin

d)

flagella

4.

Why do you think they are called "amoebocytes"?

a)

they ran out of cool words

b)

they are blobby looking, like amoeba

c)

"a" means without, and they are without a "moe"

d)

they just gotta make it hard

5.

Which trait do sponges share with plants?

a)

they are in the same kingdom

b)

they make their own food

c)

they produce pollen

d)

mature individuals do not move

6.

Sponges can reproduce sexually or asexually

a)

true

b)

false

c)

depends on the species

7.

If you break off a piece of a sponge, it will:

a)

die

b)

both parts will die

c)

grow into a new sponge

8.

Members of the Phylum Porifiera produce both eggs and sperm. This means they are:

a)

all female

b)

all male

c)

hermaphrodites

d)

none of the bove

9.

Flagella move water, food sticks to choanocytes, and is disributed by:

a)

amoebocytes

b)

collar cells

c)

incurrent pores

d)

osculum

10.

For defense, some sponges have a symbiotic relationship with ______, which create toxins.

a)

fungi

b)

fish

c)

viruses

d)

bacteria

11.

A sponge "processes" a lot of water to get a little bit of food. This makes them:

a)

hungry

b)

filter feeders

c)

autotrophic

d)

none of the above

12.

Most sponges are found where?

a)

aquariums

b)

fresh water

c)

rivers

d)

marine environments

13.

Sponges show what type of body plan organization?

a)

asymmetry

b)

bilateral symmetry

c)

radial symmetry

d)

unionization

14.

What does "porifera" mean?

a)

pore-bearing

b)

out of cash

c)

spiny

d)

salty

15.

Where does water leave a sponge?

a)

choanocyte

b)

osculum

c)

flagella

d)

the sides

16.

The large, central cavity of a sponge is the:

a)

flagellum

b)

osculum

c)

incurrent pore

d)

spongocoel

17.

What does sessile mean?

a)

very fast moving

b)

cannot move

c)

cannot die

d)

I am a turtle.

18.

A sponge's favorite food is:

a)

bacteria

b)

fish

c)

plankton

d)

Krabby Patties

19.

The jelly-like material inside the walls of a sponge is the:

a)

epidermis

b)

endodermis

c)

mesenchyme

d)

none of the above

20.

as plankton enter the sponge, they pass through these layers, in order:

a)

epidermis, endodermis, mesenchyme

b)

endodermis, epidermis, mesenchyme

c)

mesenchyme, endodermis, epidermis

d)

epidermis, mesenchyme, endodermis

21.

Which of the following would spicules NOT be made of?

a)

CaCO3

b)

silica

c)

limestone

d)

choanocytes

22.

If animals must move, and sponges don't, why are they classified as animals?

a)

they have to consume their food (can't make it)

b)

their larvae can move

c)

sometimes science makes a mistake, and we stick to it

d)

they move water through themselves

23.

Protein fibers called ____________ form the framework of the sponge

a)

spongin

b)

spicules

c)

mesenchyme

d)

endodermis

24.

The biggest any sponge can get is:

a)

2 cm

b)

1 foot

c)

1 meter

d)

6 feet

25.

Will you study for this test like your life depends on it?

a)

absolutely

b)

abseulement

c)

you betcha

d)

why wouldn't I?