Food Chains and Webs: Dive into the Interconnectedness of Ecosystems

Question 1

What is the primary role of a consumer in a food chain?

Accepted Answer

To consume other organisms for energy

Answer

To break down organic matter into nutrients

Answer

To produce its own food from inorganic matter

Answer

To provide food for other organisms

Question 2

Which of the following food chains is most likely to be found in a forest ecosystem in the United Kingdom?

Accepted Answer

Leaves → Caterpillar → Bird

Answer

Grass → Rabbit → Fox

Answer

Plankton → Fish → Shark

Answer

Algae → Zooplankton → Blue Whale

Question 3

What is the term for the relationship between organisms that compete for the same resources?

Accepted Answer

Competition

Answer

Symbiosis

Answer

Mutualism

Answer

Predation

Question 4

What is the process by which energy is transferred from one trophic level to the next?

Accepted Answer

Energy flow

Answer

Respiration

Answer

Decomposition

Answer

Photosynthesis

Question 5

Which of the following organisms is a decomposer?

Accepted Answer

Mushroom

Answer

Grass

Answer

Fox

Answer

Fish

Question 6

What is the term for a diagram that shows the feeding relationships in an ecosystem?

Accepted Answer

Food web

Answer

Food chain

Answer

Energy pyramid

Answer

Ecosystem map

Question 7

What is the main role of plants in a food web?

Accepted Answer

To convert sunlight into energy through photosynthesis

Answer

To consume other organisms

Answer

To recycle nutrients

Answer

To hunt and kill prey

Question 8

Which of the following animals is a predator in UK ecosystems?

Accepted Answer

Red fox

Answer

Sheep

Answer

Grass

Answer

Blue tit

Question 9

How does energy move through a food web?

Accepted Answer

From producers to consumers

Answer

From predators to prey

Answer

From consumers to producers

Answer

From decomposers to producers

Question 10

What is the term for an animal that eats both plants and animals?

Accepted Answer

Omnivore

Answer

Herbivore

Answer

Carnivore

Answer

Predator

Question 11

What is the term for a mutually beneficial relationship between two organisms?

Accepted Answer

Mutualism

Answer

Commensalism

Answer

Symbiosis

Answer

Predation

Question 12

In UK ecosystems, how do foxes and rabbits have adaptations that help them survive and interact in the same food chains?

Accepted Answer

Foxes have sharp claws and teeth for hunting, while rabbits have long, strong legs for escaping predators.

Answer

Rabbits have sharp claws and teeth for hunting, while foxes have long, strong legs for escaping predators.

Answer

Foxes have thick fur for camouflage, while rabbits have webbed feet for swimming away from predators.

Answer

Rabbits have thick fur for camouflage, while foxes have webbed feet for swimming towards and capturing prey.

Question 13

What's the key difference between a food chain and a food web?

Accepted Answer

A food chain shows a line of creatures that eat each other, while a food web shows how many food chains connect.

Answer

A food chain only has animals, while a food web has animals and plants.

Answer

A food chain always starts with a plant, but a food web might not.

Question 14

How can human activities negatively affect food chains and webs in the UK?

Accepted Answer

Using harmful pesticides

Answer

Planting trees

Answer

Protecting endangered species

Question 15

Which living thing in a food chain makes its own food using sunlight?

Accepted Answer

Grass

Answer

A lion

Answer

A snake

Answer

An owl

Question 16

In a food chain, which living thing is at the very top?

Accepted Answer

A hawk

Answer

A grasshopper

Answer

A frog

Answer

A mouse

Question 17

Most food chains start with energy from the:

Accepted Answer

Sun

Answer

Air

Answer

Water

Answer

Rocks

Question 18

What is the name for a living thing that breaks down dead plants and animals?

Accepted Answer

Decomposer

Answer

Producer

Answer

Consumer

Answer

Predator

Question 19

In a food chain, which organism makes its own food using sunlight?

Accepted Answer

Grass

Answer

Rabbit

Answer

Fox

Answer

Bacteria

Question 20

What is an example of a predator-prey relationship?

Accepted Answer

Fox and rabbit

Answer

Grass and rabbit

Answer

Bacteria and fungus

Answer

Oak tree and squirrel

Question 21

What is the main source of energy for most food chains and webs?

Accepted Answer

Sunlight

Answer

Water

Answer

Air

Answer

Soil

Question 22

What is the name for the process where nutrients are reused in an ecosystem?

Accepted Answer

Decomposition

Answer

Photosynthesis

Answer

Respiration

Answer

Excretion

Question 23

What do we call the place where an animal or plant lives and interacts with other living things?

Accepted Answer

Habitat

Answer

Ecosystem

Answer

Biome

Answer

Niche

Question 24

Explain how trophic levels help us understand the flow of energy and nutrients in a UK ecosystem.

Accepted Answer

Trophic levels are levels of an ecosystem based on feeding relationships and energy flow.

Answer

There are only two trophic levels in a food chain: producers and consumers.

Answer

Energy increases as it moves up trophic levels.

Answer

Trophic levels have no impact on the balance of an ecosystem.

Question 25

How do ecological pyramids illustrate the difficulties faced by animals at higher levels of a food chain?

Accepted Answer

Ecological pyramids show less biomass at higher levels.

Answer

Ecological pyramids show more energy at higher levels.

Answer

Ecological pyramids show more species at higher levels.

Answer

Ecological pyramids show larger populations at higher levels.

Question 26

In a food chain, which organism is always the first to receive energy?

Accepted Answer

Producer

Answer

Predator

Answer

Consumer

Answer

Decomposer

Question 27

What is an animal that eats only plants called?

Accepted Answer

Primary consumer

Answer

Secondary consumer

Answer

Tertiary consumer

Answer

Producer

Question 28

What do predators do to help balance an ecosystem?

Accepted Answer

Decrease the population of their prey

Answer

Increase the population of their prey

Answer

Provide food for their prey

Answer

Build nests for their prey

Question 29

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

Accepted Answer

A food web shows how energy flows through different organisms, while a food chain does not.

Answer

A food chain is a straight line, while a food web is a circle.

Answer

A food chain is a circle, while a food web is a straight line.

Answer

A food chain shows how organisms depend on each other for food, while a food web does not.

Question 30

Which of these is an example of two living things helping each other?

Accepted Answer

A bird building its nest in a tree

Answer

A lion chasing a zebra

Answer

A dog playing with a cat

Answer

A cow eating grass

Question 31

What do decomposers do in an ecosystem?

Accepted Answer

Break down dead plants and animals

Answer

Make food

Answer

Eat food

Answer

Control the population of other organisms

Question 32

What is the name for the movement of energy through an ecosystem?

Accepted Answer

Energy flow

Answer

Food chain

Answer

Symbiosis

Answer

Decomposition

Question 33

Which animal is at the top of the food chain in the UK ecosystem?

Accepted Answer

Golden eagle

Answer

Fox

Answer

Badger

Answer

Hedgehog

Question 34

In which type of relationship does one animal hunt and eat another animal?

Accepted Answer

Predator-prey

Answer

Symbiosis

Answer

Competition

Answer

Mutualism

Question 35

What is the term that describes the specific role an organism plays in its ecosystem, including its feeding habits and interactions with other organisms?

Accepted Answer

Niche

Answer

Habitat

Answer

Adaptation

Answer

Symbiosis

Question 36

What is the main source of energy for all food chains?

Accepted Answer

Sunlight

Answer

Water

Answer

Plants

Answer

Animals

Question 37

Which of the following is an example of a living thing in an ecosystem?

Accepted Answer

Plants

Answer

Temperature

Answer

Rocks

Answer

Water

Question 38

How does biomagnification impact humans and the environment in the UK?

Accepted Answer

Harmful chemicals accumulate in animals at the top of the food chain

Answer

Energy is blocked from reaching higher levels in the food chain

Question 39

Which of the following is NOT a producer in a food chain?

Accepted Answer

Fox

Answer

Tree

Answer

Grass

Answer

Algae

Question 40

In a food web, which organism would typically have the highest trophic level?

Accepted Answer

Hawk

Answer

Rabbit

Answer

Grass

Question 41

What is the term for an organism that feeds on both plants and animals?

Accepted Answer

Omnivore

Answer

Carnivore

Answer

Herbivore

Answer

Detritivore

Question 42

What happens to the amount of energy available at each trophic level in a food chain?

Accepted Answer

It decreases

Answer

It stays the same

Answer

It increases

Answer

It varies randomly

Question 43

What is the role of decomposers in a food chain?

Accepted Answer

To break down dead organisms and return nutrients to the ecosystem

Answer

To produce food for other organisms

Answer

To consume large predators

Question 44

A food chain often starts with:

Accepted Answer

Plants

Answer

Bacteria

Answer

Animals

Answer

Fungi

Question 45

An arrow in a food chain or food web diagram represents:

Accepted Answer

The flow of energy

Answer

The direction of movement

Answer

The size of the organism

Answer

The type of organism

Question 46

Which of the following is an example of a food chain in the UK ecosystem?

Accepted Answer

Grass -> Rabbit -> Fox -> Hawk

Answer

Plankton -> Fish -> Seal -> Polar Bear

Answer

Algae -> Shrimp -> Octopus -> Shark

Answer

Leaves -> Caterpillar -> Bird -> Snake

Question 47

In a woodland, which animal eats another animal for food?

Accepted Answer

A hawk catching a mouse

Answer

A squirrel burying acorns

Answer

A bee collecting nectar from a flower

Answer

A deer grazing on grass

Question 48

If all the rabbits in a forest disappeared, what would most likely happen to the foxes that live there?

Accepted Answer

The fox population would decrease.

Answer

The fox population would stay the same.

Answer

The fox population would increase.

Answer

The fox population would become extinct.

Question 49

Which of these food chains is NOT found in a UK meadow?

Accepted Answer

Grass -> Cow -> Lion -> Tiger

Answer

Grass -> Rabbit -> Fox -> Owl

Answer

Grass -> Grasshopper -> Frog -> Snake

Answer

Grass -> Caterpillar -> Blue Tit -> Sparrowhawk

Question 50

What do decomposers do in a food web?

Accepted Answer

They break down dead plants and animals.

Answer

They are the main source of energy for the food web.

Answer

They make their own food from sunlight.

Answer

They hunt and kill other animals for food.

Question 51

How does energy move through a food chain?

Accepted Answer

From plants to animals

Answer

From decomposers to plants

Answer

From animals to plants

Answer

Energy flows equally in all directions.

Question 52

A food web is more complex than a food chain because:

Accepted Answer

It shows how many different food chains are connected in an ecosystem.

Answer

It only shows the flow of energy from plants to animals.

Answer

It focuses only on the role of decomposers.

Question 53

If a farmer uses a spray to kill insects on his crops, what could happen to the ecosystem?

Accepted Answer

It could harm birds that eat the insects.

Answer

It would increase the number of insects.

Answer

It would have no negative impact on the ecosystem.

Answer

It would benefit all the animals in the ecosystem.

Question 54

Which of these is NOT a producer in a UK ecosystem?

Accepted Answer

Fox

Answer

Wildflower

Answer

Oak tree

Answer

Grass