Worksheet: Grouping Animals

In this worksheet, we will practice on how to group animals in different ways.

Q1:

Vertebrates (animals with a backbone) can be divided into five classes.

What are these five classes called?

  • AAmphibians, birds, algae, fish, and mammals
  • BBirds, fish, mammals, reptiles, and molluscs
  • CAmphibians, birds, fish, mammals, and reptiles
  • DAmphibians, birds, fish, mammals, and marsupials
  • EBirds, fish, mammals, reptiles, and insects

Q2:

Which of these animals is an invertebrate?

  • AHummingbird
  • BSea anemone
  • CKangaroo
  • DHorse
  • ERabbit

Q3:

Crocodiles breathe through their lungs. They lay their eggs on land and they have scaly skin.

Which group of vertebrates does the crocodile belong to?

Crocodile in reflection-Cropped
  • AAmphibians
  • BBirds
  • CMammals
  • DFish
  • EReptiles

Q4:

The animal kingdom is divided into two groups.

Which group do animals with a backbone belong to?

  • AVertebrates
  • BInvertebrates

Q5:

What is an invertebrate?

  • AAn animal that has a backbone
  • BAn animal that has wings
  • CAn animal that has no backbone
  • DAn animal that has no wings

Q6:

Salamanders lay their eggs in the water. When their limbs (legs) are grown, they live on land.

Which group of vertebrates does the salamander belong to?

  • ABirds
  • BFish
  • CAmphibians
  • DMammals
  • EReptiles

Q7:

Which of the following animals is a vertebrate?

  • AOyster
  • BWorm
  • CBeetle
  • DSeahorse
  • ESlug

Q8:

Which group of invertebrates do these insects belong to?

  • ACnidarians
  • BMollusks
  • CWorms
  • DArthropods
  • EEchinoderms

Q9:

Look at this group of reptiles.

Reptiles.

What features do all reptiles have?

  • AShells
  • BFour legs
  • CScales
  • DClaws

Q10:

Look at this group of mammals.

Happy - childhood - children - freedom-- movement - people - human
Zebra on white background
Nutria - modified size
Tiger on white background

Which features do this group of mammals have in common?

  • ATails
  • BHair or fur
  • CStripes
  • DFour legs

Q11:

There are five different groups of vertebrates.

Which class of vertebrates is missing from the diagram?

  • AFish
  • BCats
  • CSnakes
  • DDogs

Q12:

Look at this group of spiders.

72-Spiders

Which of the following features do all spiders have?

  • ASix legs
  • BTwo legs
  • CEight legs
  • DFour legs

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