Living Things and their Habitats: Interactive Quizzes for Year 6 Science

Question 1

Which of the following is NOT a characteristic shared by all living things?

Accepted Answer

The ability to defend themselves against disease

Answer

The ability to reproduce

Answer

The ability to grow and develop

Answer

The ability to respond to their surroundings

Question 2

How do symbiotic relationships, such as mutualism and commensalism, contribute to the stability and balance of ecosystems?

Accepted Answer

Mutualistic symbiotic relationships create a balance where species rely on each other for survival.

Answer

Symbiotic relationships ensure the survival of all organisms in an ecosystem, regardless of their size.

Answer

Commensalism, a type of symbiotic relationship, always benefits one species while harming the other.

Answer

Symbiotic relationships have no impact on ecosystem stability and balance.

Question 3

What is a habitat, and why is it important for living things?

Accepted Answer

A habitat is a specific environment where organisms live, providing the resources they need to survive and reproduce.

Answer

A habitat is simply the location where an organism is found.

Answer

A habitat only includes the living things in an organism's surroundings.

Answer

A habitat is where an organism feeds, but not necessarily reproduces.

Question 4

Food chains and food webs show how organisms in ecosystems are connected. Which of these does NOT help show this interconnectedness?

Accepted Answer

Abiotic factors

Answer

Predator-prey relationships

Answer

Symbiotic relationships

Answer

Competition for resources

Question 5

How do keystone species significantly influence biodiversity and maintain ecosystem stability? Provide an example to support your explanation.

Accepted Answer

Keystone species have a disproportionate effect on their ecosystem compared to their population size.

Answer

Keystone species have little impact on biodiversity or ecosystem balance.

Answer

Keystone species are usually numerous and occupy the highest level of the food chain.

Answer

Keystone species are exclusive to land-based ecosystems.

Question 6

How do scientists track the movements, survival, and abundance of individual organisms in their natural habitats?

Accepted Answer

Capturing, marking, and releasing organisms

Answer

Counting all organisms in a specific area

Answer

Recording species presence or absence along a line

Answer

Using technology to collect data from a distance

Question 7

Biodiversity refers to the variety of living things in an ecosystem. Why is biodiversity crucial for keeping an ecosystem balanced and stable?

Accepted Answer

It offers different food sources and resources for organisms, reducing competition and preventing population declines.

Answer

It helps prevent the spread of diseases by keeping infected individuals away from healthy ones.

Answer

It regulates the climate by absorbing carbon dioxide from the air.

Question 8

How could rising global temperatures affect ecosystems?

Accepted Answer

Reduced variety of life as many species find it hard to adjust to the new climate.

Accepted Answer

Increased crop production in some areas as warmer temperatures extend the growing season.

Answer

No major impact on ecosystems as organisms have adapted to handle temperature changes.

Question 9

Which feature distinguishes eukaryotic cells from prokaryotic cells?

Accepted Answer

Eukaryotic cells have a nucleus, unlike prokaryotic cells.

Answer

Eukaryotic cells are larger than prokaryotic cells.

Answer

Prokaryotic cells have ribosomes, while eukaryotic cells do not.

Answer

Eukaryotic cells have a cell wall, while prokaryotic cells do not.

Question 10

How do fungi and bacteria help recycle nutrients in an ecosystem by breaking down dead organisms?

Accepted Answer

They release nutrients that plants can use.

Answer

They release harmful gases into the air.

Answer

They make space for new organisms to grow.

Answer

They only decompose dead animals.

Question 11

What is the best way to describe the special relationship between a clownfish and a sea anemone?

Accepted Answer

The sea anemone protects the clownfish, while the clownfish attracts food for the sea anemone.

Answer

The clownfish helps the sea anemone find food.

Answer

The clownfish steals food from the sea anemone.

Answer

The sea anemone eats the clownfish.

Question 12

In a food chain, what is the correct order of energy flow?

Accepted Answer

Producers -> Consumers -> Decomposers

Answer

Decomposers -> Producers -> Consumers

Answer

Consumers -> Producers -> Decomposers

Answer

Producers -> Decomposers -> Consumers

Question 13

What is the meaning of 'biodiversity'?

Accepted Answer

The variety of life in the world or a particular habitat

Answer

The variety of different types of rocks in an area

Answer

The number of organisms of a particular species in an area

Answer

The physical and chemical conditions of an area

Question 14

How might changes to a habitat, like pollution, cutting down forests, or climate change, impact the living things that live there?

Accepted Answer

Changes to the habitat could make it easier for some living things to survive, while others might have a hard time.

Answer

Changes to the habitat won't affect the living things there.

Answer

Changes to the habitat would only affect plants, not animals.

Answer

Changes to the habitat would only affect the biggest living things there.

Question 15

Scientists group living things into different categories. What is the main way they decide which group a species belongs to?

Accepted Answer

By their physical features and how they behave

Answer

By where they live and what they eat

Answer

By their size and lifespan

Answer

By how useful they are to humans

Question 16

How do living things, like plants and animals, affect the balance of their habitat?

Accepted Answer

They determine what resources are available, affecting how many and what types of plants and animals can live there.

Answer

Living things have no impact on how healthy or stable their habitat is.

Answer

Only the physical environment, like rocks and water, determines the balance of a habitat.

Answer

Habitats stay the same, no matter how living things interact with each other or their surroundings.

Question 17

Which of the following is NOT a characteristic of living organisms?

Accepted Answer

Inactivity and lack of response to stimuli

Answer

Growth and development

Answer

Reproduction and creation of new individuals

Answer

Movement and reaction to surroundings

Question 18

Vertebrates are animals that have a:

Accepted Answer

Backbone or spinal column

Answer

Soft, boneless body

Answer

Hard outer shell or exoskeleton

Answer

Simple nervous system

Question 19

What is the main job of a producer in an ecosystem?

Accepted Answer

To make their own food using sunlight

Answer

To eat other organisms

Answer

To break down waste and dead remains

Answer

To provide shelter for other organisms

Question 20

How do plants usually react to changes in the amount of light they receive?

Accepted Answer

They bend their stems towards the light

Answer

They create thicker and darker leaves

Answer

They stop making chlorophyll

Answer

They grow taller to reach the light

Question 21

What is the main job of decomposers in nature?

Accepted Answer

To eat dead plants and animals

Answer

To make oxygen

Answer

To offer homes to living things

Answer

To clean up pollution

Question 22

In a food chain, what is the organism that makes its own food?

Accepted Answer

Plant

Answer

Rabbit

Answer

Fox

Answer

Bacteria

Question 23

In the classification of living things, what is the order from largest group to smallest group?

Accepted Answer

Kingdom, Class, Order, Family, Genus, Species

Answer

Species, Genus, Family, Order, Class, Kingdom

Answer

Class, Kingdom, Family, Order, Species, Genus

Answer

Order, Class, Family, Genus, Species, Kingdom

Question 24

Which adaptation helps a polar bear live in cold places?

Accepted Answer

Thick fur

Answer

Large paws

Answer

Web feet

Answer

Long tail

Question 25

Which of the following is not a sign that an organism is alive?

Accepted Answer

It is made of non-living materials.

Answer

It can move around.

Answer

It can reproduce.

Answer

It uses energy.

Question 26

What is the main job of producers in an ecosystem?

Accepted Answer

They make their own food from sunlight.

Answer

They eat other organisms.

Answer

They break down dead plants and animals.

Answer

They hunt and kill other animals.

Question 27

Which of these animals has a backbone?

Accepted Answer

Frog

Answer

Jellyfish

Answer

Earthworm

Answer

Spider

Question 28

What is the main function of the lungs in our bodies?

Accepted Answer

To exchange oxygen and carbon dioxide.

Answer

To take in food and water.

Answer

To pump blood around the body.

Answer

To protect the brain.

Question 29

Where do plants get most of their energy from?

Accepted Answer

Sunlight

Answer

Water

Answer

Soil

Answer

Air

Question 30

Which organization is known for its work in protecting endangered animals and plants?

Accepted Answer

WWF

Answer

RSPB

Answer

Greenpeace

Answer

PETA

Question 31

Which of these is a renewable source of energy?

Accepted Answer

Solar power

Answer

Fossil fuels

Answer

Nuclear energy

Answer

Coal

Question 32

What is the scientific name for humans?

Accepted Answer

Homo sapiens

Answer

Canis lupus

Answer

Felis catus

Answer

Panthera leo

Question 33

What is a defining characteristic that all living things share?

Accepted Answer

Capacity for reproduction

Answer

Ability to move independently

Answer

Requirement for nourishment

Answer

Presence of green-colored chloroplasts

Question 34

Which organism in the list below belongs to the vertebrate group?

Accepted Answer

Snake

Answer

Jellyfish

Answer

Spider

Answer

Earthworm

Question 35

In an ecosystem, what is the primary difference between a producer and a consumer?

Accepted Answer

Producers create their own sustenance, while consumers rely on other organisms for nourishment.

Answer

Producers rely on other organisms for nourishment, while consumers create their own sustenance.

Answer

Producers reside in water environments, while consumers occupy land environments.

Answer

Producers are classified as plants, while consumers are classified as animals.

Question 36

Desert plants have developed specific adaptations to survive in dry conditions. Which adaptation is included in this group?

Accepted Answer

Roots that extend deep into the ground

Answer

Leaves with a thin structure

Answer

Bark with a thick consistency

Answer

Flowers with large sizes

Question 37

What is the term used to describe the process by which plants harness sunlight to create their own food?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Transpiration

Answer

Fermentation

Question 38

Which of the following resources is considered renewable?

Accepted Answer

Sunlight

Answer

Petroleum

Answer

Coal

Answer

Natural gas

Question 39

What term describes the specific area where an organism resides and obtains its essential resources?

Accepted Answer

Habitat

Answer

Biome

Answer

Ecosystem

Answer

Food chain

Question 40

In an ecosystem, what is the primary role played by decomposers?

Accepted Answer

Breaking down deceased plants and animals

Answer

Producing food for animals

Answer

Providing oxygen for the environment

Answer

Absorbing carbon dioxide from the atmosphere

Question 41

Which of the following breaks down dead plants and animals, returning nutrients to the soil?

Accepted Answer

Decomposers

Answer

Producers

Answer

Consumers

Answer

Scavengers

Question 42

What process allows plants to create their own food using sunlight?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Decomposition

Answer

Fermentation

Question 43

Which of the following resources cannot be replaced naturally and will eventually run out?

Accepted Answer

Fossil fuels

Answer

Water

Answer

Wind power

Answer

Sunlight

Question 44

What is the name of the top layer of soil, rich in organic matter?

Accepted Answer

Topsoil

Answer

Subsoil

Answer

Bedrock

Answer

Clay

Question 45

What is the difference between a food chain and a food web?

Accepted Answer

A food chain follows only one path, while a food web shows many.

Answer

A food chain shows who eats whom, while a food web does not.

Answer

There is no difference between a food chain and a food web.

Answer

A food chain is cyclical, while a food web is linear.

Question 46

Which of the following is the best way to get rid of harmful waste?

Accepted Answer

Taking it to a special waste disposal place

Answer

Throwing it in the garbage

Answer

Pouring it down the sink

Answer

Burying it in the ground

Question 47

Which of these is NOT a characteristic of living things?

Accepted Answer

Made of non-living matter

Answer

Grow and change over time

Answer

Need oxygen to survive

Answer

Can reproduce

Question 48

Which of these is an example of an invertebrate?

Accepted Answer

Worm

Answer

Bird

Answer

Fish

Answer

Cat

Question 49

What is the process by which plants use sunlight to create their own food called?

Accepted Answer

Photosynthesis

Answer

Breathing

Answer

Digestion

Answer

Reproduction

Question 50

Which of these is a type of habitat found in the United Kingdom?

Accepted Answer

Deciduous forest

Answer

Rainforest

Answer

Desert

Answer

Savanna

Question 51

Which of these describes a relationship where both living things benefit?

Accepted Answer

Mutualism

Answer

Predation

Answer

Competition

Answer

Parasitism

Question 52

What is the job of decomposers in a habitat?

Accepted Answer

To break down dead plants and animals and return nutrients to the soil

Answer

To make food for other living things

Answer

To provide shelter for animals

Answer

To regulate the climate

Question 53

Which of these is a renewable resource?

Accepted Answer

Wind power

Answer

Coal

Answer

Oil

Answer

Natural gas

Question 54

What is the name of the layer of gases that surrounds the Earth?

Accepted Answer

Atmosphere

Answer

Hydrosphere

Answer

Lithosphere

Answer

Biosphere

Question 55

Which of the following is NOT a characteristic of living organisms?

Accepted Answer

Made of non-living materials

Answer

Growth and development

Answer

Reproduction

Answer

Responding to changes around them

Question 56

Which of these is an example of a living thing in an ecosystem?

Accepted Answer

Plants

Answer

Sunlight

Answer

Temperature

Answer

Rocks

Question 57

What is the name of the process by which plants use sunlight to create their own food?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Decomposition

Answer

Transpiration

Question 58

Which of these is the largest classification group for living organisms?

Accepted Answer

Kingdom

Answer

Phylum

Answer

Class

Answer

Species

Question 59

What is the main job of decomposers in an ecosystem?

Accepted Answer

Break down dead living things

Answer

Produce oxygen

Answer

Eat plants

Answer

Provide homes for animals

Question 60

What is the main purpose of a food chain?

Accepted Answer

Show how energy moves through an ecosystem

Answer

Put organisms into different groups

Answer

Find out which species is most common in a habitat

Answer

Predict how many of a species there will be in the future

Question 61

Which of the following is NOT a type of habitat?

Accepted Answer

School playground

Answer

Forest

Answer

Ocean

Answer

Grassland

Question 62

Which word describes a relationship where one organism benefits and the other is not affected?

Accepted Answer

Commensalism

Answer

Mutualism

Answer

Parasitism

Answer

Predation

Question 63

If the number of foxes in a forest decreases, what might happen to the rabbit population?

Accepted Answer

The rabbit population might increase.

Answer

The rabbit population might decrease.

Answer

The rabbit population would stay the same.

Question 64

How do human activities affect food chains and webs?

Accepted Answer

Disruption, leading to reduced diversity and nutrient cycling.

Answer

Minimal impact, as human activities do not disrupt these systems.

Answer

Food chains remain unchanged due to their adaptability.

Answer

Food webs are protected from human disturbances due to their multiple connections.