UKUK USUSIndiaIndia
Fun Learning and Revision for KS1, KS2, 11-Plus, KS3 and GCSE
Join Us
Variation and Classification 01
Frogs are amphibians. They breathe through moist skin and lungs, and need water to breed.

Variation and Classification 01

This KS3 Science quiz takes a look at variation and classification. It is quite easy to recognise your different friends at school. They look different, they sound different and they behave differently. Even 'identical' twins are not perfectly identical. These differences are called variation and occur in all animal or plant species. Some of these variations are caused by genetics and others are environmental. Variations that are caused by the genetics of an individual can be passed on during reproduction.

Variation can also be described as being continuous or discontinuous. An example of a variation that is continuous would be height. The height of an adult can be any value within the normal height range of our species. Someone could be 167.1 cm tall, someone else 163.25 cm tall and so on. Discontinuous variables are those with only certain definite values, for example tongue rolling. Some people can curl their tongue edges upwards but others can't. No one can partly roll their tongue, it is either one thing or the other.

Did you know...

You can play all the teacher-written quizzes on our site for just £9.95 per month. Click the button to sign up or read more.

Sign up here
1.
Which one of the following is an environmental variation?
Attached ear lobes
Eye colour
Male or female
Short hair
Environmental variation is not dependent on genes
2.
Which one of the following is an inherited variation?
Blood group
Long hair
Scar on your knee
Speaking English
Inherited variation depends on genes
3.
Animals with a backbone are called what?
Carnivores
Herbivores
Invertebrates
Vertebrates
Humans are therefore a vertebrate animal
4.
Which one of the following shows continuous variation?
Blood group
Height
Gender
Tongue rolling
The tallest recorded person was 272 cm tall and the shortest 56 cm tall
5.
Which is the odd one out?
Frog
Lizard
Newt
Toad
Lizards are reptiles, the others are all amphibians
6.
Which one of the following shows discontinuous variation?
Eye colour
Height
Strength
Weight
This is controlled only by genes
7.
Which of the following groups is warm blooded?
Amphibians
Birds
Insects
Reptiles
Mammals and birds are the only warm blooded groups of animals
8.
Which group do Seals belong to?
Amphibians
Fish
Mammals
Reptiles
Mammals give birth to live young and suckle their young
9.
Which of the following groups breathe through moist skin and lungs, and need water to breed?
Amphibians
Crustaceans
Fish
Reptiles
Frogs are amphibians
10.
Which of the following animals have a backbone?
Bee
Lobster
Spider
Trout
All the others are invertebrates and their bodies are supported (and protected) by an exo-skeleton (external skeleton)
Author:  Sue Davison

© Copyright 2016-2018 - Education Quizzes
TJS - Web Design Lincolnshire

Valid HTML5

We use cookies to make your experience of our website better.

To comply with the new e-Privacy directive, we need to ask for your consent - I agree - No thanks - Find out more