Font size
WorksheetsPhyla Echinodermata, Mollusca, and Anthropoda
Total questions: 37
Worksheet time: 22mins
What type of body symmetry do crustaceans have?
Radial
Assymetrical
Bilateral
Pentaradial
The process in which arthropods shed their exoskeleton in order to grow a new one
Melting
Repigmentation
Molting
Regeneration
How many pairs of legs do decapods have?
10
20
12
5
What is the largest ( in terms of how many animals there are) class of animal found in the ocean?
Echinodermata
Arthropoda
Mollusca
Cephalopoda
Carapace means…
Hard, dorsal shell
Soft, hinged shells
Hard, durable shell
Soft, enclosed shells
Mouthparts of crustacean…
Radula
Tongue
Taste receptors
Mandibles
What does the term “Echinoderm” mean?
Spiky- skin
Spiny- skin
Jointed feet
Jointed limbs
Fill in the blank Echinoderms have a calcareous endoskeleton which consists of ___, for protection and rigidity, that are connected by collagen fibers
Ossicles
Taste receptors
Taste buds
Possicles
What type of symmetry do adult echinoderms have?
Bilateral
Assymetrical
Radial
Pentaradial symmetry
What is the water vascular system in echinoderms used for?
Respiration locomotion
To move tube feet
Sensory organs
Directions
What is NOT a physical characteristic of crustaceans?
Backbone
Appendages
Gills
Antennaes
What does the term “Arthropods”
Mean?
Spiky skin
Jointed limbs
Jointed feet
Spiny skin
Who is the biggest predator of
Lobsters?
Seals
Eels
Crabs
Humans
List 3 parts of the echinoderm nervous system…
Tube feet, sensory cells, eyespots
Nerve net, sensory cells, eyespots
Spines, Nerve net, eyespots
Antennae, eyespots, Nerve net
Which class includes sea lilies and feather stars?
Crinoidea
Asteroidea
Echinoidea
Ophiuroidea
Which class includes the
Brittle stars?
Echinoidea
Holothuroidea
Ophiuroidea
Crinoidea
Which class includes sea urchins, sand dollars, and sea biscuits?
Asteroidea
Crinoidea
Echinoidea
Holothuroidea
Which class contains the
Sea cucumbers?
Ophiuroidea
Holothuroidea
Asteroidea
Crinoidea
Which class contains the sea stars (starfish)?
Holothuroidea
Asteroidea
Crinoidea
Ophiuroidea
The mouth part of a
Mollusk
Is called the…
Mouth
Radula
Tongue
Taste receptors
A mollusk with one shell and a muscular foot is called a…
Gastropods
Bivalves
Cephalopods
Decapods
A mollusk that has a hinged, two-part shell is called a…
Cephalopods
Gastropods
Decapods
Bivalves
What 3 features do all mollusk share?
Mantle, Foot, Radula
Thorax, Radula , Mantle
Radula, Antennae, Foot
Thorax, Antennae, Receptors
What is the name of the specialized cells that allow a cephalopod to rapidly change skin pattern and color?
Chromatophores
Camouflage
Ink
Pigmentation
What is the only cephalopod with a shell?
Galleon
Caravel
Nautilus
Frigate
Which group of Gastropods do not contain a shell?
Gulibranches
Mudibranches
Nudibranches
Sullibranches
A thin, flexible limb of a cephalopod that is used for grasping or moving?
tube feet
Foot
Mantle
Radula
Some Gastropods and bivalves do not have a brain but instead have sets of…
Chromatophores
Ossicles
Receptors
Nerve cells
How many tentacles do
Squids
Have?
12
8
10
6 arms 2 legs
Did you enjoy this quiz?
Yes
Yes
Yes
Yes
Gastropods have 1 shell and a (a)
Bivalves have how many shells?
(a)
Cephalopods have….
(a)
Characteristics of lobsters are that their decapods, benthic, and they belong to the phylum ….
(a)
Males have a ____ claw use for attracting mates and ____.
(a)
Starfish are filter (a) .
The purpose of the water vascular system is for
_____ and ____
(a)
