Ecosystems and Biomes: Interactive Learning Quizzes

Question 1

Which of the following is not a recognized type of terrestrial biome?

Accepted Answer

Ocean

Answer

Desert

Answer

Forest

Answer

Urban

Question 2

Which of the following is an example of a producer-consumer-top predator food chain in a temperate forest biome?

Accepted Answer

Grass → Deer → Wolf

Answer

Algae → Fish → Bear

Answer

Bacteria → Fungi → Hawk

Answer

Plankton → Krill → Whale

Question 3

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

Accepted Answer

Mutualism

Answer

Predator-prey

Answer

Parasitism

Answer

Commensalism

Question 4

Which of the following organisms is the primary producer in a typical ecosystem?

Accepted Answer

Plants

Answer

Herbivores

Answer

Carnivores

Answer

Decomposers

Question 5

Which of the following biomes is characterized by針葉樹, long, cold winters, and moderate precipitation?

Accepted Answer

Taiga

Answer

Tundra

Answer

Deciduous Forest

Answer

Tropical Rainforest

Question 6

What term describes the range of different species and their genetic variations within an ecosystem?

Accepted Answer

Biodiversity

Answer

Biomass

Answer

Ecosystem stability

Answer

Pollution index

Question 7

How do decomposers contribute to the health and balance of ecosystems? Provide specific examples of their vital role.

Accepted Answer

Decomposers break down organic matter into nutrients that plants use for growth.

Answer

Decomposers reduce biodiversity by competing with other organisms for resources.

Answer

Decomposers form fossil fuels that provide energy for future generations.

Answer

Decomposers release toxins that harm ecosystems.

Question 8

Which of the following is not a factor considered in an ecosystem?

Accepted Answer

Social and economic influences

Answer

Living organisms (biotic factors)

Answer

Non-living elements (abiotic factors)

Answer

Weather and climate conditions

Question 9

The term 'biome' refers to:

Accepted Answer

A large-scale ecosystem characterized by similar climatic conditions

Answer

A specific community of organisms within a particular area

Answer

A group of organisms with a shared evolutionary history

Answer

A type of vegetation found in a distinct geographical region

Question 10

Which of the following biomes is known for its abundant rainfall, dense vegetation, and warm temperatures?

Accepted Answer

Tropical rainforest

Answer

Temperate forest

Answer

Grassland

Answer

Desert

Question 11

The process by which plants use sunlight to convert carbon dioxide into energy is called:

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Decomposition

Answer

Transpiration

Question 12

Which of the following is an example of a species that plays a disproportionately large role in shaping its ecosystem?

Accepted Answer

Sea otter

Answer

Dandelion

Answer

House sparrow

Answer

Oak tree

Question 13

The concept of ecological succession describes:

Accepted Answer

The gradual changes in plant and animal communities over time

Answer

The movement of species between different biomes

Answer

The effects of human activities on ecosystems

Answer

The cycling of nutrients within ecosystems

Question 14

The primary function of decomposers in an ecosystem is to:

Accepted Answer

Break down organic matter and recycle nutrients

Answer

Produce oxygen through photosynthesis

Answer

Control population growth of other organisms

Answer

Filter pollutants from the environment

Question 15

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

Accepted Answer

Absence of physical and chemical components

Answer

Interdependence of living organisms

Answer

Flow of energy through food webs

Answer

Cycling of nutrients within the system

Question 16

Which biome is recognized for its frigid temperatures, abundant snowfall, and vast stretches of treeless, frozen land?

Accepted Answer

Tundra

Answer

Temperate forest

Answer

Tropical rainforest

Answer

Desert

Question 17

What is the primary role of producers in an ecosystem?

Accepted Answer

Capture energy from the sun through photosynthesis or chemosynthesis

Answer

Consume and break down organic matter

Answer

Regulate population sizes of other organisms

Answer

Provide shelter and habitat for other species

Question 18

Which environmental factor is considered the primary determinant of the distribution of organisms within a biome?

Accepted Answer

Climate (temperature, precipitation, etc.)

Answer

Topography (elevation, slope, etc.)

Answer

Soil type (composition, texture, etc.)

Answer

Availability of specific resources (food, water, etc.)

Question 19

Which of the following is an example of an abiotic component of an ecosystem?

Accepted Answer

Sunlight

Answer

Plants

Answer

Animals

Answer

Bacteria

Question 20

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

Accepted Answer

Fox (secondary consumer)

Answer

Grass (producer)

Answer

Rabbit (primary consumer)

Answer

Hawk (tertiary consumer)

Question 21

Which process enables producers to convert light energy into chemical energy, producing glucose?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Chemosynthesis

Answer

Decomposition

Question 22

The biome characterized by cold winters and hot, wet summers is:

Accepted Answer

Temperate deciduous forest

Answer

Tropical rainforest

Answer

Tundra

Answer

Grassland

Question 23

Which of the following organisms is a primary producer in a marine ecosystem?

Accepted Answer

Phytoplankton

Answer

Shark

Answer

Coral

Answer

Sea turtle

Question 24

The removal of a keystone species from an ecosystem can result in:

Accepted Answer

Cascading effects on other species

Answer

An increase in biodiversity

Answer

No significant impact

Answer

A decrease in primary productivity

Question 25

The process by which an organism adjusts its traits to better suit its environment is called:

Accepted Answer

Adaptation

Answer

Mutation

Answer

Evolution

Answer

Natural selection

Question 26

The study of interactions between living organisms and their surroundings is known as:

Accepted Answer

Ecology

Answer

Biology

Answer

Chemistry

Answer

Physics

Question 27

How does ecological succession lead to the formation of a stable and mature community known as a climax community?

Accepted Answer

Stabilizes the ecosystem and enhances resilience

Answer

Increases species diversity

Answer

Introduces new species to the community

Answer

Reduces nutrient availability in the ecosystem

Question 28

Define an ecosystem, explaining the key elements that characterize it.

Accepted Answer

A community of living organisms interacting with their physical surroundings

Answer

A group of organisms competing for limited resources

Answer

A stable environment with unchanging conditions

Answer

A system where energy is not transferred or transformed

Question 29

Which biome is known for its cold temperatures, limited precipitation, and frozen ground?

Accepted Answer

Tundra

Answer

Temperate deciduous forest

Answer

Tropical rainforest

Answer

Grassland

Question 30

Explain the primary role of producers in an ecosystem and provide an example.

Accepted Answer

Convert sunlight into energy (e.g., plants)

Answer

Decompose organic matter (e.g., fungi)

Answer

Consume other organisms (e.g., lions)

Answer

Provide shelter and habitats (e.g., trees)

Question 31

Describe the process of decomposition and explain its significance in nutrient cycling within an ecosystem.

Accepted Answer

Breaking down dead organisms to release nutrients back into the environment

Answer

Converting carbon dioxide into oxygen through photosynthesis

Answer

Consuming other organisms to obtain energy

Answer

Transporting water and nutrients through plant tissues

Question 32

Provide an example of a symbiotic relationship and explain how the interacting organisms benefit from the association.

Accepted Answer

Mutualism: Bees pollinating flowers, receiving nectar and pollen

Answer

Parasitism: Tapeworms living in the intestines of animals

Answer

Commensalism: Barnacles attaching to whales

Answer

Predation: Lions hunting zebras

Question 33

Explain the primary factor that determines the types of organisms found within a specific biome.

Accepted Answer

Temperature and precipitation patterns

Answer

Soil composition and pH levels

Answer

Availability of sunlight and water

Answer

Competition between different species

Question 34

Describe the role of decomposers in an ecosystem and explain how their absence would impact the functioning of the system.

Accepted Answer

Break down dead organisms, releasing nutrients back into the soil

Answer

Convert carbon dioxide into oxygen through photosynthesis

Answer

Consume other organisms to obtain energy

Answer

Provide shelter and protection for other organisms

Question 35

Describe the characteristics of a healthy ecosystem and explain why maintaining such ecosystems is crucial for the well-being of both humans and wildlife.

Accepted Answer

High biodiversity, stable populations, resilience to disturbances

Answer

Low biodiversity, unstable populations, vulnerability to disturbances

Answer

Absence of decomposers, reduced nutrient cycling

Answer

Dominance of one species, lack of competition

Question 36

Which of the following is NOT a major biome?

Accepted Answer

Urban area

Answer

Tundra

Answer

Desert

Answer

Taiga

Question 37

The process by which plants use sunlight to create energy is known as:

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Decomposition

Answer

Transpiration

Question 38

A food chain represents the flow of energy:

Accepted Answer

From the sun to producers to consumers

Answer

From consumers to producers to decomposers

Answer

From the atmosphere to organisms

Answer

From decomposers to producers to consumers

Question 39

Which of the following is an example of a keystone species?

Accepted Answer

Sea star

Answer

Coral

Answer

Hawk

Answer

Elephant

Question 40

Which of the following is NOT a feature of ecosystems?

Accepted Answer

Always have a stable and unchanging environment

Answer

Composed of living organisms and their physical surroundings

Answer

Involve interactions between organisms and their environment

Answer

Can vary greatly in size, from small ponds to entire continents

Question 41

What term refers to a large region with a similar climate and distinctive plant and animal life?

Accepted Answer

Biome

Answer

Ecosystem

Answer

Habitat

Answer

Population

Question 42

Which of the following biomes is described by freezing temperatures, long winters, and coniferous trees?

Accepted Answer

Taiga

Answer

Grassland

Answer

Tropical rainforest

Answer

Desert

Question 43

How do food chains differ from food webs?

Accepted Answer

Food webs depict multiple feeding pathways, while food chains show only one linear path.

Answer

Food chains depict multiple feeding pathways, while food webs show only one linear path.

Answer

Food webs focus on producers, while food chains focus on consumers.

Answer

Food chains show energy flow only, while food webs include nutrient cycling.

Question 44

Which factor in an ecosystem is considered biotic, or living?

Accepted Answer

Plants

Answer

Sunlight

Answer

Temperature

Answer

Wind

Question 45

Competition among organisms in an ecosystem primarily results in:

Accepted Answer

Reduced resource availability

Answer

Increased resource availability

Answer

No impact on resource availability

Answer

Enhanced cooperation between species

Question 46

What is the primary function of decomposers in an ecosystem?

Accepted Answer

Break down dead organisms and recycle nutrients

Answer

Produce food for other organisms

Answer

Regulate the population sizes of other organisms

Answer

Provide shelter for other organisms

Question 47

Ecological succession refers to:

Accepted Answer

The gradual change in plant and animal communities over time

Answer

The movement of organisms from one area to another

Answer

The process of forming new ecosystems

Answer

The competition between species for resources

Question 48

Which of these best exemplifies a climax community?

Accepted Answer

A mature, stable forest

Answer

A newly established meadow

Answer

A temporary pond

Answer

A coral reef

Question 49

Which of the following biomes is characterized by low precipitation, high temperatures, and sparse vegetation?

Accepted Answer

Desert

Answer

Forest

Answer

Tundra

Answer

Grassland

Question 50

Which of the following is an example of a keystone species?

Accepted Answer

Sea otter

Answer

Elephant

Answer

Dolphin

Answer

Lion

Question 51

Which of the following factors influences the distribution of organisms within an ecosystem?

Accepted Answer

All of the above

Answer

Competition

Answer

Food resources

Answer

Habitat availability

Question 52

What is the role of decomposers in an ecosystem?

Accepted Answer

Breaking down dead organisms and recycling nutrients

Answer

Producing food for other organisms

Answer

Providing shelter for other organisms