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Science Quiz - Variation and Classification 02 (Questions)

Classification groups living things so scientists can study them more easily. From mammals to microbes, it helps explain similarities and differences in the natural world.

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Fascinating Fact:

Penguins and ostriches are birds, even though they cannot fly, because they share bird features like feathers and beaks.

In KS3 Science, pupils explore how living organisms are sorted into groups. Classification shows how different species are related and how they adapt to their environments.

Key Terms

Genus: A group of closely related species that share common features.
Taxonomy: The science of naming, describing, and classifying organisms.
Characteristic: A feature or quality used to identify and group living things.

Frequently Asked Questions (Click to see answers)

Why are penguins still classed as birds?

Penguins are classed as birds because they have feathers, beaks, and lay eggs, even though they cannot fly like many other birds.

How do scientists decide which group an animal belongs to?

Scientists look at shared features, such as body structure, reproduction, and genetics, to decide how to group animals into categories.

What is the main purpose of classification in science?

The main purpose of classification is to organise living things so they are easier to identify, study, and compare across different species.

Try These Related Quizzes

1.

Which of the following is not an arthropod?

[ ]	Arachnid
[ ]	Crustacean
[ ]	Insect
[ ]	Mollusc

2.

Which of the following has two body parts, four pairs of jointed legs and no wings?

[ ]	Beetle
[ ]	Crab
[ ]	Spider
[ ]	Woodlouse

3.

Which of the following has an unsegmented body?

[ ]	Ant
[ ]	Snail
[ ]	Wasp
[ ]	Earthworm

4.

How many legs do insects have?

[ ]	6
[ ]	4 pairs
[ ]	5 pairs
[ ]	More than 10

5.

Which is the odd one out?

[ ]	Algae
[ ]	Flowering plants
[ ]	Fungi
[ ]	Mosses

6.

Which one of the following is found in water?

[ ]	Algae
[ ]	Conifers
[ ]	Ferns
[ ]	Mosses

7.

Which is the odd one out?

[ ]	Apple tree
[ ]	Chestnut tree
[ ]	Fir tree
[ ]	Oak tree

8.

Which is the odd one out?

[ ]	Bluebell
[ ]	Bracken
[ ]	Grass
[ ]	Snowdrop

9.

Which is the odd one out?

[ ]	Daisy
[ ]	Dandelion
[ ]	Grass
[ ]	Moss

10.

What do the following have in common - daffodil, grass and apple tree?

[ ]	All produce pollen
[ ]	No stems
[ ]	Reproduce by spores
[ ]	Simple leaves

You can find more about this topic by visiting BBC Bitesize - Differences in organisms

Science Quiz - Variation and Classification 02 (Answers)

1.

Which of the following is not an arthropod?

[ ]	Arachnid
[ ]	Crustacean
[ ]	Insect
[x]	Mollusc

Arthropods have legs, a mollusc is legless

2.

Which of the following has two body parts, four pairs of jointed legs and no wings?

[ ]	Beetle
[ ]	Crab
[x]	Spider
[ ]	Woodlouse

Spiders are arachnids. Arachnophobia is a fear of spiders

3.

Which of the following has an unsegmented body?

[ ]	Ant
[x]	Snail
[ ]	Wasp
[ ]	Earthworm

The others all have more than one body part: the ant and wasp are insects with three body parts - head, thorax and abdomen; the earthworm has a segmented body all the way along

4.

How many legs do insects have?

[x]	6
[ ]	4 pairs
[ ]	5 pairs
[ ]	More than 10

Anything with more or fewer legs is not an insect

5.

Which is the odd one out?

[ ]	Algae
[ ]	Flowering plants
[x]	Fungi
[ ]	Mosses

Fungi have no chlorophyll, so are not green, and cannot make their own food

6.

Which one of the following is found in water?

[x]	Algae
[ ]	Conifers
[ ]	Ferns
[ ]	Mosses

Algae have no roots, stems or leaves. Some mosses grow in very wet places like a bog but they float on top of the water

7.

Which is the odd one out?

[ ]	Apple tree
[ ]	Chestnut tree
[x]	Fir tree
[ ]	Oak tree

A fir tree is a conifer, it has needle leaves and seeds in cones

8.

Which is the odd one out?

[ ]	Bluebell
[x]	Bracken
[ ]	Grass
[ ]	Snowdrop

Bracken is a fern and reproduces by spores

9.

Which is the odd one out?

[ ]	Daisy
[ ]	Dandelion
[ ]	Grass
[x]	Moss

Mosses have no roots and reproduce by spores

10.

What do the following have in common - daffodil, grass and apple tree?

[x]	All produce pollen
[ ]	No stems
[ ]	Reproduce by spores
[ ]	Simple leaves

All hayfever sufferers should get this correct!