WorksheetsMarine Organisms Review
Total questions: 20
Worksheet time: 11mins
Blue green bacteria have ـــــــــــــــ which helps them make food.
mitochondria
cell membrane
chlorophyll
nucleus
Blue green bacteria have no ـــــــــــــــــ.
chromosome
cytoplasm
cell membrane
nucleus
What organism(s) are pictured here?
Diatoms
Dinoflagellates
Zooplankton
Nekton
What organism(s) are pictured here?
Diatom
Dinoflagellate
Zooplankton
Nekton
Which of the following are primary producers?
Diatoms and Dinoflagellates
Radiolarians and Zooplankton
Baleen whales
Small fish that get eaten by larger fish
Diatoms have a two part cell wall (frustule) made of
cellulose
silica
lipids
glucose
The Simplest of all animals is the
sponge
rotifera
cnidaria
cockroach
How many cell layers does a sponge have?
none
one
two
many
_________means doesn’t move around or attached to a rock
immobile
sessile
mobile
dipluerula
The two basic forms of cnidarian are ______and ____.
Radial; symmetrical
symmetrical; polyp
radial; medusa
polyp; medusa
Cnidaria have __________ body symmetry
symmetrical
unisymmetical
asymmetrical
radial
Cnidarians are predators which have tentacles possessing batteries of special cells called ______.
cnidocytyes
chaoanocytes
amoebocytes
nematocytes
Cnidocytes contain special stinging capsules called
cnidocysts
choanocytes
amoebocytes
nematocytes
Jellyfish have what type of body structure
Medusa
Polyp
Hydra
Branched
Sea anemones have what type of body structure?
Medusa
Polyp
Down
Sessile
What is the name of the algae that inhabit the coral?
green algae
euglenoids
zooxanthellae
What surrounds the mouth of cnidarians?
arms
combs
tentacles
spines
Which group of Cnidarians have a symbiosis with algae?
anemones
corals
jellyfish
comb jellies
