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Grouping Invertebrates 2

In this worksheet, students practice grouping invertebrates.

'Grouping Invertebrates 2' worksheet

Key stage:  KS 2

Curriculum topic:  Living Things and Their Habitats

Curriculum subtopic:  Grouping

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

When you were younger, you may have learnt about a group of organisms called minibeasts. Animals commonly called minibeasts include caterpillars, worms and spiders.

Minibeasts are actually called invertebrates by scientists. Caterpillars, worms, snails, spiders and insects like wasps all have a tough outer case instead of a backbone. This case is called an exoskeleton.

From now on, we will no longer use the term minibeasts, instead we will call them by their proper scientific name, invertebrates.

Invertebrates get around in all sorts of ways. They can: fly, slither, swim and walk. Let's have a closer look.

How many legs does this snail have?

more than eight

eight

six

zero

Bees, like this one, and snails are both invertebrates.

What features does this bee share with the snail?

 

the same number of legs

wings

an exoskeleton

a sting

Butterflies are insects.

How many legs does this butterfly have?

 

more than eight

eight

six

zero

This spider is an invertebrate, but is it an insect?

 

yes

no

This woodlouse is a crustacean.

Why is a woodlouse not an insect?

 

It has an exoskeleton.

It doesn't have six legs.

Which animal is this slug most closely related to?

an earthworm

a bee

a caterpillar

a snail

Is this earwig an insect or a spider?

 

an insect

a spider

Which animal, that we have studied earlier in this worksheet, is this centipede most closely related to?

 

 

Quick clue: centipedes are arthropods.

the bee

the caterpillar

the earthworm

the spider

This earthworm and the snail are both invertebrates.

What features do the snail and the earthworm share?

 

no legs

a segmented body

an exoskeleton

Is this animal an insect?

yes

no

  • Question 1

How many legs does this snail have?

CORRECT ANSWER
zero
EDDIE SAYS
Snails slither. They leave behind a slimy trail.
  • Question 2

Bees, like this one, and snails are both invertebrates.

What features does this bee share with the snail?

 

CORRECT ANSWER
an exoskeleton
EDDIE SAYS
All invertebrates have a hard outer case called an exoskeleton. Sometimes you might hear the exoskeleton called a shell.
Bees are insects. Insects usually move around by flying or walking, but some can swim. All insects have six legs.
  • Question 3

Butterflies are insects.

How many legs does this butterfly have?

 

CORRECT ANSWER
six
EDDIE SAYS
Butterflies are insects and we know that insects have six legs.
  • Question 4

This spider is an invertebrate, but is it an insect?

 

CORRECT ANSWER
no
EDDIE SAYS
Spiders have eight legs, not six. Spiders are not insects, scientists call them arthropods (arth - ro - pods).
If you count the legs on this tarantula, it looks like it has ten legs. However, the two 'legs' at the very front are actually its feelers. A handy tip to remember is that ALL spiders have eight legs.
  • Question 5

This woodlouse is a crustacean.

Why is a woodlouse not an insect?

 

CORRECT ANSWER
It doesn't have six legs.
EDDIE SAYS
Woodlice have 14 legs!
Did you know that woodlice technically belong to the same family as crabs and lobsters? I'm told that they don't taste as nice, though.
  • Question 6

Which animal is this slug most closely related to?

CORRECT ANSWER
a snail
EDDIE SAYS
Slugs are really snails without shells. Slugs do have a shell but it is very soft and found inside their body.
  • Question 7

Is this earwig an insect or a spider?

 

CORRECT ANSWER
an insect
EDDIE SAYS
Earwigs are insects, they have six legs.
  • Question 8

Which animal, that we have studied earlier in this worksheet, is this centipede most closely related to?

 

 

Quick clue: centipedes are arthropods.

CORRECT ANSWER
the spider
EDDIE SAYS
Centipedes and millipedes are not insects - they're arthropods like spiders!
  • Question 9

This earthworm and the snail are both invertebrates.

What features do the snail and the earthworm share?

 

CORRECT ANSWER
no legs
EDDIE SAYS
Earthworms like this one are examples of segmented worms. If you look at the picture closely you can see the segments forming rings around the worm's body.
  • Question 10

Is this animal an insect?

CORRECT ANSWER
yes
EDDIE SAYS
The picture shows a stick insect. The clue is in the name I suppose, but also because, like all insects, sticky here has six legs.
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