WorksheetsINVERTEBRATES
Total questions: 18
Worksheet time: 9mins
The main characteristic of invertebrates is...
they have an exoskeleton
they don't have a backbone
some of them haven't got legs
they are the biggest animal group in the world
Arthropods are divided in insects, crustaceans, arachnids and...
(a)
Insects have ..... legs, ........ pairs of wings and ...... antennae
six, four, two
eight, two, two
eight, four, two
six, two, two
Select the examples of insects
Crustaceans have....
soft body
10 legs (sometimes the front two legs are claws)
hard external skeletons
four antennae
two pairs of wings
Select the examples of crustaceans
Arachnids have .......... legs and .......... eyes.
eight, two
eight , many
six , two
six, many
Tick the examples of arachnids.
Tick the examples of myriapods.
Molluscs are divided in cephalopods, bivalves and (a)
To have tentacles is a characteristic of...
cephalopods
bivalves
gastropods
none of them
A shell that opens and closes is a characteristic of...
cephalopods
bivalves
gastropods
none of them
To have a protective shell and four antennaes are characteristics of...
cephalopods
bivalves
gastropods
none of them
To have soft bodies with a hard, internal skeleton are characteristics of...
Annelids
Molluscs
Echinoderms
Tick the different examples of echinoderms.
Earthworms are annelids. Their characteristics are...
soft bodies, wet skin and live on land.
soft & segmented bodies, wet skin and live in water and on land.
soft & segmented bodies, moist skin and live in water and on land.
Jellyfish, sea anemones and corals are (a)
Sponges have small holes called (a)
