Font size
WorksheetsInvertebrates
Total questions: 34
Worksheet time: 17mins
All of the following have bodies which are bilaterally symmetrical except -
porifera and cnidaria
molluscs
worms
arthropods
What makes porifera and cnidaria group different from the other invertebrate groups?
They live in water.
They have tentacles.
They do not have organs.
They have legs.
Which arhropod group has 10 legs?
myriapods
insects
arachnids
crustaceans
Gastropods, bivalves and cephalopods belong to which invertebrate group?
Porifera
arthropods
molluscs
worms
Which of the following is NOT true of an echinoderm?
They are carnivores.
They breathe through skin, gills or ambulacral tube.
They live on the sea bed.
They have lungs.
Which of the following has body that is divided into rings?
platyhelminthes
annelid
nematodes
all of these
Which of the following feeds by filtration?
cnidaria
worms
porifera
arthropods
True or False.
Hermaprodites are animals with both male and female sex organs so they can fertilize themselves.
TRUE
FALSE
Which of the following is TRUE about squid, cuttlefish and octupus?
They have spiral-shaped shell with singe valve.
They breathe through lungs.
They have two valves.
They have tentacles but no shell.
Invertebrates are animals without backbone.
TRUE
FALSE
__________ is joined head and thorax.
cephalothorax
coelom
clitellum
metameres
It is also called the repeated segment.
coelum
osculum
metameres
cephalothorax
external skeleton is also called as
endoskeleton
osculum
exoskeleton
thorax
To which group does this belong?
porifera
molluscs
worm
arthropods
What is this process called?
reproduction
molting
metamorphosis
none of these
Jointed appendages is a characteristic for which invertebrate group?
echinoderm
molluscs
arthropods
worms
This process is called ______.
Cephalothorax
metamorphosis
molting
none ot these
Which body part helps the cnidarian to capture their prey?
tentacles
mouth
pores
channels
Which does NOT belong to the group?
starfish
jellyfish
sea cucumber
sea urchin
TRUE or FALSE
All arthropods are terrestrial.
TRUE
FALSE
What is an oviparous?
animal that lays egg
animal that can fertilize themselves
animal that gives birth to live young
Which are the correct groups of echinoderm?
star fish,
molluscs,
coral
star fish,
sea cucumber,
sea anemone
sea urchin, molluscs, earthworm
sponges, molluscs, jellyfish
Invertebrates are animals
With backbone
without backbone
In which group does this animal belong to?
Molluscs
Arthropods
Echinoderms
Cnidaria
In which group does this animal belong?
Molluscs
Worms
Arthropods
Echinoderm
Which does not belong to the group?
The animal in the picture is a(n) ______ because it has a ______.
invertebrate ... backbone
vertebrate ... backbone
reptile ... backbone
backbone ... skeleton
Choose the animals with bilateral symmetry
