The Living World: Ecosystems and Biomes Quiz

Question 1

Which of the following is NOT a characteristic of a savanna biome?

Accepted Answer

Dense forests

Answer

Abundant rainfall

Answer

Open grasslands with scattered trees

Answer

High temperatures

Question 2

Which of these resources takes millions of years to form and cannot be replaced quickly enough to match our use?

Accepted Answer

Coal

Answer

Solar energy

Answer

Water

Answer

Wood

Question 3

Which of the following is NOT a natural component of an ecosystem?

Accepted Answer

Industrial waste

Answer

Sunlight

Answer

Soil

Answer

Water cycle

Question 4

Which of the following is NOT a living part of an ecosystem?

Accepted Answer

Water

Answer

Bacteria

Answer

Trees

Answer

Fungi

Question 5

Which of the following is NOT a natural component of an ecosystem?

Accepted Answer

Pollution

Answer

Sunlight

Answer

Animals

Answer

Temperature

Question 6

Within an ecosystem, which component is NOT directly involved in the exchange of matter?

Accepted Answer

Atmosphere

Answer

Producers

Answer

Consumers

Answer

Decomposers

Question 7

Which of the following is NOT a living component of an ecosystem?

Accepted Answer

Rocks

Accepted Answer

Sunlight

Answer

Trees

Answer

Bacteria

Question 8

Which of the following is NOT a characteristic of a tundra biome?

Accepted Answer

Dense vegetation

Answer

Extremely low temperatures

Answer

A layer of permafrost

Answer

Limited daylight during winter

Question 9

Abiotic factors are non-living elements that affect the distribution of organisms in a biome. Which of the following is NOT an abiotic factor?

Accepted Answer

Predation

Answer

Temperature

Answer

Sunlight

Answer

Soil pH

Question 10

Which of the following is NOT always a necessary part of an ecosystem?

Accepted Answer

Atmosphere

Answer

Producers

Answer

Consumers

Answer

Decomposers

Question 11

Which of these factors does NOT influence the distribution of biomes on Earth?

Accepted Answer

Human population

Answer

Climate and rainfall

Answer

Soil type and landscape

Answer

Latitude and altitude

Question 12

Which of the following is NOT an abiotic factor in an ecosystem?

Accepted Answer

Herbivore population

Answer

Rainfall

Answer

Altitude

Answer

Soil type

Question 13

Which of the following is **NOT** an active component of an ecosystem?

Accepted Answer

Dead organic matter

Answer

Living organisms

Answer

Non-living factors

Answer

Interactions between organisms

Question 14

Which of these is NOT a living part of an ecosystem?

Accepted Answer

Atmosphere

Answer

Producers

Answer

Consumers

Answer

Decomposers

Question 15

In a symbiotic relationship, what is the term for a situation where one organism benefits while the other is not affected?

Accepted Answer

Commensalism

Answer

Mutualism

Answer

Parasitism

Answer

Amensalism

Question 16

Which of the following is NOT a fundamental component of an ecosystem?

Accepted Answer

The number of individuals in a population

Answer

Living organisms (biotic factors)

Answer

Non-living factors (abiotic factors)

Answer

The flow of energy through the system

Question 17

What living things in an ecosystem are responsible for making their own food?

Accepted Answer

Producers

Answer

Consumers

Answer

Decomposers

Question 18

Which of the following is NOT a living component of an ecosystem?

Accepted Answer

Atmosphere

Answer

Producers

Answer

Consumers

Answer

Decomposers

Question 19

Which feature is NOT typical of a desert biome?

Accepted Answer

Abundant plant life

Answer

Extreme temperatures

Answer

Low precipitation

Answer

Sparse animal life

Question 20

What is NOT a component of an ecosystem?

Accepted Answer

Human-made structures

Answer

Living organisms

Answer

Non-living factors (e.g., soil, water, sunlight)

Answer

Energy flow

Question 21

In an ecosystem, what is the main difference between an abiotic and a biotic component?

Accepted Answer

A non-living thing in the environment, either chemical or physical

Answer

A living thing that can interact with its surroundings

Answer

Something that living things need to survive

Answer

Something that limits where living things can be found

Question 22

What is a significant threat to the variety of life and the well-being of ecosystems globally due to human activities?

Accepted Answer

Rapid urbanization and industrial growth, leading to habitat loss and pollution

Answer

Farming practices that protect soil and reduce deforestation

Answer

Educational campaigns that encourage responsible resource use and waste reduction

Question 23

Which of the following factors does NOT directly influence the global distribution of biomes?

Accepted Answer

Distribution of plant species

Answer

Latitude

Answer

Altitude

Answer

Climate

Question 24

Which feature is NOT typical of a biome?

Accepted Answer

Gradual transitions between biomes

Answer

Distinct climate

Answer

Similar plant and animal species

Question 25

Within an ecosystem, an organism's niche describes its unique role and position. Which of the following is NOT a factor that contributes to defining a species' niche?

Accepted Answer

Population density

Answer

Available resources

Answer

Physical conditions

Answer

Predators and competitors

Question 26

Biodiversity, the variety of life on Earth, is vital for ecosystem stability. What are the potential consequences of biodiversity loss on ecosystem stability and resilience?

Accepted Answer

Reduced resilience to environmental changes, making ecosystems more vulnerable to collapse.

Answer

Increased productivity within ecosystems due to reduced competition among species.

Answer

No significant impact on ecosystem resilience, as other species can easily replace those that become extinct.

Answer

Enhanced diversity due to increased competition among remaining species.

Question 27

Which of the following organisms is an example of a producer?

Accepted Answer

Grass

Answer

Lion

Answer

Rabbit

Answer

Bacteria

Question 28

The term 'mutualism' describes a relationship between species where:

Accepted Answer

Both species benefit from the interaction

Answer

Both species are harmed by the interaction

Answer

One species benefits and the other is unaffected

Answer

One species benefits and the other is harmed

Question 29

The process by which organisms gradually adapt to their environment over time is known as:

Accepted Answer

Natural selection

Answer

Genetic drift

Answer

Mutation

Answer

Symbiosis

Question 30

A food chain is a simplified model that describes what?

Accepted Answer

The transfer of energy and nutrients through a series of organisms

Answer

The competition between organisms for resources

Answer

The adaptation of organisms to their environment

Answer

The exchange of gases between organisms and the atmosphere

Question 31

Which of the following biomes is characterized by a cold, dry climate?

Accepted Answer

Tundra

Answer

Tropical rainforest

Answer

Temperate grassland

Answer

Mediterranean

Question 32

The term 'carrying capacity' refers to:

Accepted Answer

The maximum number of individuals that an environment can sustainably support

Answer

The rate at which a population grows

Answer

The average lifespan of an organism

Answer

The amount of food available in an ecosystem

Question 33

Which of the following is NOT a characteristic of an ecosystem?

Accepted Answer

No competition between species

Answer

Interconnectedness of organisms

Answer

Exchange of energy and nutrients

Answer

Dynamic equilibrium over time

Question 34

The distribution of biomes across the Earth is primarily determined by:

Accepted Answer

Temperature and precipitation patterns

Answer

Altitude and latitude

Answer

Soil composition and water availability

Answer

Human activities and land use

Question 35

In a food chain, which organism is considered a secondary consumer?

Accepted Answer

Rabbit

Answer

Grass

Answer

Hawk

Answer

Bacteria

Question 36

The process through which nutrients are reused and recycled within an ecosystem is called:

Accepted Answer

Decomposition

Answer

Respiration

Answer

Photosynthesis

Answer

Evaporation

Question 37

Which of the following is an example of a mutually beneficial symbiotic relationship?

Accepted Answer

Mutualism

Answer

Predation

Answer

Commensalism

Answer

Parasitism

Question 38

The idea of carrying capacity refers to:

Accepted Answer

The maximum population size that an environment can sustainably support

Answer

The rate of population growth

Answer

The number of species within an ecosystem

Answer

The availability of resources in an ecosystem

Question 39

Which of the following is NOT a defining characteristic of an ecosystem?

Accepted Answer

Isolation from all other ecosystems

Answer

Interconnected living and non-living components

Answer

Interactions between organisms and their environment

Answer

Steady flow of energy and nutrients

Question 40

Which of the following is considered a biotic component of an ecosystem?

Accepted Answer

Plants

Answer

Sunlight

Answer

Water

Answer

Rocks

Question 41

In a food chain, which organism is responsible for producing its own food?

Accepted Answer

Grass

Answer

Rabbit

Answer

Fox

Answer

Bacteria

Question 42

Which of the following resources can be naturally replenished over time?

Accepted Answer

Solar energy

Answer

Oil

Answer

Natural gas

Answer

Coal

Question 43

Which of the following gases traps heat in the Earth's atmosphere, contributing to global warming?

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Nitrogen

Answer

Helium

Question 44

What is a primary purpose of using the ecological footprint concept?

Accepted Answer

Assess the sustainability of current consumption patterns

Answer

Estimate the maximum population size an ecosystem can support

Answer

Forecast the long-term impacts of climate change

Answer

Measure the amount of pollution released by businesses

Question 45

Identify the characteristic that does not describe a biome.

Accepted Answer

Human population density

Answer

Climate

Answer

Soil type

Answer

Plant and animal species

Question 46

Provide an example of a temperate biome.

Accepted Answer

Deciduous forest

Answer

Tropical rainforest

Answer

Tundra

Answer

Desert

Question 47

What is a key role played by decomposers in an ecosystem?

Accepted Answer

Breaking down organic matter

Answer

Producing food for consumers

Answer

Regulating population size

Answer

Providing shelter for other organisms

Question 48

What is the process by which plants convert sunlight into energy?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Chemosynthesis

Answer

Transpiration

Question 49

Define the term 'carrying capacity'.

Accepted Answer

The maximum number of organisms a given environment can support

Answer

The average lifespan of a species

Answer

The rate at which a population increases

Answer

The number of predators in an ecosystem

Question 50

Which characteristic is NOT associated with ecosystems?

Accepted Answer

Fixed boundaries

Answer

Links between species

Answer

Physical and chemical environments

Answer

Energy flow

Question 51

Identify the biome that includes vast, open grasslands known for a scarcity of trees:

Accepted Answer

Savanna

Answer

Tropical rainforest

Answer

Taiga

Answer

Tundra

Question 52

Which relationship between organisms benefits both species involved?

Accepted Answer

Mutualism

Answer

Competition

Answer

Predation

Answer

Parasitism

Question 53

What is the primary role of decomposers in an ecosystem?

Accepted Answer

Decomposing organic materials

Answer

Food production

Answer

Consuming other organisms

Answer

Maintaining soil fertility

Question 54

Which component of an ecosystem is classified as living?

Accepted Answer

Trees

Answer

Sunlight

Answer

Water

Answer

Rocks

Question 55

What term describes the sequence of organisms through which energy flows within an ecosystem?

Accepted Answer

Food chain

Answer

Habitat

Answer

Ecosystem

Answer

Biome

Question 56

Which process allows plants to utilize sunlight for creating their own nutrients?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Decomposition

Answer

Transpiration

Question 57

Which feature is NOT characteristic of a savanna biome?

Accepted Answer

Dense vegetation cover

Answer

Tall grasses

Answer

Scattered trees

Answer

Seasonal rainfall

Question 58

Which organism plays the role of a producer in a food chain?

Accepted Answer

Grass

Answer

Lion

Answer

Zebra

Answer

Bacteria

Question 59

Which term describes a close relationship between two species where both benefit?

Accepted Answer

Mutualism

Answer

Competition

Answer

Predation

Answer

Parasitism

Question 60

What is the most significant threat to biodiversity in the United Kingdom?

Accepted Answer

Habitat loss

Answer

Climate change

Answer

Pollution

Answer

Invasive species

Question 61

Which practice is not aligned with sustainable ecosystem management?

Accepted Answer

Disposing of waste in rivers

Answer

Reducing deforestation

Answer

Harnessing renewable energy sources

Answer

Water conservation

Question 62

What is the primary function of decomposers in an ecosystem?

Accepted Answer

Decomposing dead organisms

Answer

Releasing oxygen

Answer

Consuming primary producers

Answer

Fixing nitrogen

Question 63

What is the most accurate definition of a food web?

Accepted Answer

A complex network of interconnected food chains within an ecosystem.

Answer

A straightforward sequence of energy transfer between organisms in an ecosystem.

Answer

A hierarchical arrangement of organisms based on their feeding relationships.

Answer

The process by which organisms obtain nutrients from their environment.

Question 64

What is a potential consequence of removing a keystone species from an ecosystem?

Accepted Answer

The ecosystem could collapse

Answer

No significant change will occur

Answer

The ecosystem will experience an increase in biodiversity