wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Mar. Sci. Unit 5 TEST

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.

Seagrasses are important because:

a)

they provide habitat for many animals

b)

they can protect coral reefs from sediment

c)

they are nurseries for juvenile fish

d)

all answers are correct

2.

Mangroves trees produce

a)

broad-shaped seedlings to drift away on currents

b)

pencil-shaped seedlings to stick in the mud

c)

parachute-seedlings to drift on coastal winds

3.

Macroalgae/seaweeds can be best differentiated from true plants because macroalgae/seaweeds:

a)

Have no true roots, leaves, or stems

b)

Are mostly unicellular

c)

Are photosynthetic

d)

Have no chlorophyll

e)

Are prokaryotic

4.

Marine flowering plants include all of the following except:

a)

Kelps

b)

Seagrasses

c)

Mangroves

d)

Surf grass

e)

Cord grass

5.

Kelp are a type of __ algae.

a)

green

b)

brown

c)

red

d)

blue

6.

What are some characteristics of sea grasses?

a)

Sea grasses are not flowering plants.

b)

Sea grasses do not grow in marine environments.

c)

Sea grasses are flowering plants that grow in marine environments and provide habitat and food for marine species.

d)

Sea grasses do not provide habitat and food for marine species.

7.

__ plants live entirely under water

a)

Emergent

b)

Submergent

8.

Macroalgae/seaweeds can be best differentiated from true plants because macroalgae/seaweeds:

a)

Have no true roots, leaves, or stems

b)

Are mostly unicellular

c)

Are photosynthetic

d)

Have no chlorophyll

e)

Are prokaryotic

9.

Salt marsh grasses are __ plants

a)

Emergent

b)

Submergent

10.
What does the term echinoderm mean?
a)
tube feet
b)
star shaped
c)
spiny skin
d)
stomach foot
11.
all have radial symmetry
a)
univalve
b)
bivalve
c)
head-footed
d)
echinoderms
12.
What type of symmetry do MOST mollusks have?
a)
Bilateral
b)
Radial
c)
Circular
d)
Asymmetrical
13.
All arthropods have segmented bodies, jointed appendages, and ________________. 
a)
tails
b)
lungs
c)
wings
d)
an exoskelton
14.
What phylum are crustaceans a part of?
a)
Arachnids
b)
Arthropods
c)
Animals
d)
Invertebrates
15.
All segmented worms belong to which animal phylum?
a)
Nematoda
b)
Platyhelminthes
c)
Annelida
d)
Nemertea
16.
Which phylum includes roundworms?
a)
Turbellaria
b)
Cestoda
c)
Nematoda 
d)
Porifera 
17.
I am spiny and have a water vascular system with tube feet.  I am a sea cucumber.
a)
Cnidarian
b)
Echinoderm
c)
Mollusk
d)
Annelid
18.

What type of body symmetry do these organisms have?

a)

asymmetry

b)

radial

c)

bilateral

d)

all of the answer choices are correct

19.

How would you classify a sea jelly?

a)

Porifera

b)

cnidarian

c)

Mollusca

d)

Arthropoda

20.

Which phylum does this crab belong to

a)

cnidaria

b)

molluscs

c)

arthropoda

d)

sponges