Ocean Invertebrates Quiz
Name: _________________________ Date: __________ Class: _________________
1
5
Invertebrates are animals that have:
Starfish is an invertebrate that work
the shell of a mussel open and expel
their stomachs out of their mouths
and into the mussel where they digest
them.
A gills
B wings
C fins
D no backbone
2
A True
B False
6
Marine invertebrates:
A They use camouflage.
B They use jets of water
to escape predators.
C They can pull down
boats with their tentacles.
D They have a sharp beak
to stab prey.
A live in the sea.
B have joined the Marines.
C live in freshwater only.
D are all fish.
3
All the following facts about porifera –
the sponges are true, except:
7
A They are animals.
B As adults they are
attached to the
ocean floor.
C They have sharp teeth.
D They are fed by wave action.
4
The invertebrate group called the
bivalves (oysters, clams and
mussels) are called this because:
A They have two-chambered hearts.
B They are protected by a two-sided,
hinged shell.
C They have two valves for water.
D They bilingual.
©Sheri Amsel
All are true about octopi, except:
All are true about the invertebrate
group cnidaria, which includes
jellyfish, except:
A They use poison stinging cells to
stun their prey.
B They include sea anemones.
C They include dolphins.
D They include corals.
8
All of the following are in the same
group, except:
A seaslug
B shrimp
C crab
D lobster
www.exploringnature.org
Ocean Invertebrates Quiz KEY
Name: _________________________ Date: __________ Class: _________________
1
5
Invertebrates are animals that have:
Starfish is an invertebrate that work
the shell of a mussel open and expel
their stomachs out of their mouths
and into the mussel where they digest
them.
A gills
B wings
C fins
D no backbone
2
A True
B False
6
Marine invertebrates:
A They use camouflage.
B They use jets of water
to escape predators.
C They can pull down
boats with their tentacles.
D They have a sharp beak
to stab prey.
A live in the sea.
B have joined the Marines.
C live in freshwater only.
D are all fish.
3
All the following facts about porifera –
the sponges are true, except:
7
A They are animals.
B As adults they are
attached to the
ocean floor.
C They have sharp teeth.
D They are fed by wave action.
4
The invertebrate group called the
bivalves (oysters, clams and
mussels) are called this because:
A They have two-chambered hearts.
B They are protected by a two-sided,
hinged shell.
C They have two valves for water.
D They bilingual.
©Sheri Amsel
All are true about octopi, except:
All are true about the invertebrate
group cnidaria, which includes
jellyfish, except:
A They use poison stinging cells to
stun their prey.
B They include sea anemones.
C They include dolphins.
D They include corals.
8
All of the following are in the same
group, except:
A seaslug
B shrimp
C crab
D lobster
www.exploringnature.org