Ecosystems: Types and Characteristics - Englisch Klasse 8

Question 1

Which feature is a defining characteristic of desert ecosystems?

Accepted Answer

Limited rainfall

Answer

Lush plant growth

Answer

High moisture levels

Answer

Wide variety of animal species

Question 2

Welcher Faktor ist nicht für die Vielfalt der Arten in einem Ökosystem verantwortlich?

Accepted Answer

Menschlicher Einfluss

Answer

Nahrung und Wasser

Answer

Klima

Answer

Anzahl konkurrierender Arten

Question 3

Welcher Begriff beschreibt eine Gruppe von Organismen derselben Art in einem Gebiet?

Accepted Answer

Population

Answer

Gemeinschaft

Answer

Ökosystem

Answer

Biosphäre

Question 4

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

Accepted Answer

Rocks

Answer

Plants

Answer

Animals

Question 5

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

Accepted Answer

Artificial objects

Answer

Living organisms

Answer

Non-living factors

Answer

Energy flow

Question 6

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

Accepted Answer

Pollution

Answer

Living organisms

Answer

Non-living factors

Answer

Energy

Question 7

Which of the following is **not** a typical characteristic of a forest ecosystem?

Accepted Answer

Open, flat land

Answer

Tall trees

Answer

Abundant rainfall

Answer

Diverse plant and animal life

Question 8

What is the primary source of energy in most ecosystems?

Accepted Answer

Sunlight

Answer

Wind

Answer

Water

Answer

Soil

Question 9

What term describes the interconnected network of organisms in an ecosystem?

Accepted Answer

Food web

Answer

Biosphere

Answer

Habitat

Answer

Population

Question 10

What process do plants use to create their own food?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Evaporation

Answer

Transpiration

Question 11

What term refers to the specific place where an organism lives?

Accepted Answer

Habitat

Answer

Niche

Answer

Ecosystem

Answer

Biosphere

Question 12

Which organism plays a role in breaking down dead matter and returning nutrients to the ecosystem?

Accepted Answer

Mushroom

Answer

Grass

Answer

Zebra

Answer

Eagle

Question 13

Which of the following statements about different types of ecosystems is not true?

Accepted Answer

All ecosystems are different sizes.

Answer

An ecosystem is a community of living organisms and their physical surroundings interacting as a system.

Answer

Forests, grasslands, deserts, aquatic ecosystems, and polar ecosystems are examples of different types of ecosystems.

Answer

The ocean is the world's largest ecosystem.

Question 14

Which of the following is NOT a type of terrestrial ecosystem?

Accepted Answer

Library

Answer

Forest

Answer

Desert

Answer

Grassland

Question 15

What is a key characteristic of a desert ecosystem?

Accepted Answer

Extreme temperatures and low precipitation

Answer

Abundant rainfall

Answer

Dense vegetation

Answer

High humidity

Question 16

In which layer of the forest ecosystem do plants with broad leaves typically grow?

Accepted Answer

Canopy

Answer

Understory

Answer

Forest floor

Answer

Roots

Question 17

Which of the following is a primary consumer in a food chain?

Accepted Answer

Rabbit

Answer

Grass

Answer

Wolf

Answer

Bacteria

Question 18

What is the term for the process by which green plants use sunlight, carbon dioxide, and water to create energy?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Decomposition

Answer

Combustion

Question 19

What is the role of decomposers in an ecosystem?

Accepted Answer

To break down dead organisms and recycle nutrients

Answer

To produce food for plants

Answer

To transport nutrients

Answer

To regulate water flow

Question 20

What is the term for the interaction between two organisms where one benefits and the other is unaffected?

Accepted Answer

Commensalism

Answer

Mutualism

Answer

Parasitism

Answer

Competition

Question 21

Which of the following is NOT a natural ecosystem?

Accepted Answer

City

Answer

Forest

Answer

Desert

Answer

Ocean

Question 22

What is the main feature that defines an ecosystem?

Accepted Answer

The relationship between living things and their surroundings

Answer

A group of organisms living in the same place

Answer

The weather patterns of an area

Answer

The size of a particular region

Question 23

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

Accepted Answer

Continuous ice cover

Answer

Cold temperatures

Answer

Permafrost

Answer

Sparse vegetation

Question 24

What is the main role of plants in an ecosystem?

Accepted Answer

Produce food through photosynthesis

Answer

Provide shelter for animals

Answer

Decompose organic matter

Answer

Consume other organisms

Question 25

What is the function of decomposers in an ecosystem?

Accepted Answer

Break down dead organisms and recycle nutrients

Answer

Produce oxygen

Answer

Consume animals

Answer

Photosynthesize

Question 26

What is the difference between a biome and an ecosystem?

Accepted Answer

Biomes are large geographical areas with similar climates and plant communities, while ecosystems are smaller, localized communities of living organisms and their environment.

Answer

Ecosystems are large geographical areas with similar climates and plant communities, while biomes are smaller, localized communities of living organisms and their environment.

Answer

Biomes and ecosystems are the same thing.

Answer

There is no difference between a biome and an ecosystem.

Question 27

Which of the following is a renewable resource?

Accepted Answer

Solar energy

Answer

Fossil fuels

Answer

Coal

Answer

Oil

Question 28

What is the greenhouse effect?

Accepted Answer

The trapping of heat in the Earth's atmosphere due to the presence of certain gases

Answer

The cooling of the Earth's surface due to the reflection of sunlight

Answer

The warming of the Earth's atmosphere due to the burning of fossil fuels

Answer

The increase in precipitation due to global warming

Question 29

Which vegetation type predominates in a rainforest ecosystem?

Accepted Answer

Trees

Answer

Grasses

Answer

Shrubs

Answer

Mosses

Question 30

What organism is the primary producer in the marine ecosystem?

Accepted Answer

Algae

Answer

Fish

Answer

Sea urchins

Answer

Coral

Question 31

What process allows plants to harness sunlight for energy?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Transpiration

Answer

Decomposition

Question 32

Which organism in an ecosystem is an example of a decomposer?

Accepted Answer

Bacteria

Answer

Grass

Answer

Deer

Answer

Owl

Question 33

What term describes the harmonious coexistence of organisms within an ecosystem?

Accepted Answer

Equilibrium

Answer

Biodiversity

Answer

Population density

Answer

Carrying capacity

Question 34

How do humans impact ecosystems?

Accepted Answer

Both beneficially and harmfully

Answer

Beneficially

Answer

Harmfully

Answer

Neither beneficially nor harmfully

Question 35

Which of the following is NOT an impact of climate change on ecosystems?

Accepted Answer

Enhanced cloud formation

Answer

Shifts in species distribution

Answer

Changes in water availability

Answer

Increased frequency of extreme weather events

Question 36

Which type of ecosystem is characterized by a large, open area with few trees, supporting grazing animals?

Accepted Answer

Grassland

Answer

Tundra

Answer

Rainforest

Answer

Desert

Question 37

Which of the following is a major living component of a coral reef ecosystem?

Accepted Answer

Coral polyps

Answer

Giant squid

Answer

Sea turtles

Answer

Plankton

Question 38

Which type of ecosystem is known for its extreme cold temperatures, frozen ground, and low biodiversity?

Accepted Answer

Tundra

Answer

Taiga

Answer

Grassland

Answer

Deciduous Forest

Question 39

Which of the following interactions is an example of mutualism in an ecosystem?

Accepted Answer

Bees pollinating flowers while receiving nectar

Answer

Parasitic worms residing within their host for nourishment

Answer

Lions hunting zebras for sustenance

Answer

Bacteria decomposing organic matter by breaking it down

Question 40

Which type of ecosystem covers the largest area on Earth, accounting for over 70% of the planet's surface?

Accepted Answer

Ocean

Answer

Desert

Answer

Forest

Answer

Grassland

Question 41

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

Accepted Answer

Availability of essential resources

Answer

Time of day

Answer

Shape of clouds in the sky

Answer

Color of the sky

Question 42

Which type of ecosystem is characterized by high temperatures, limited moisture, and sparse vegetation?

Accepted Answer

Desert

Answer

Tundra

Answer

Temperate Forest

Answer

Rainforest

Question 43

Which of the following is a potential negative impact of human activities on ecosystems?

Accepted Answer

Loss of biodiversity

Answer

Stabilization of global temperatures

Answer

Improved air quality

Answer

Increased rainfall

Question 44

Which type of ecosystem is renowned for its immense plant and animal diversity and is often referred to as the 'lungs of the Earth'?

Accepted Answer

Rainforest

Answer

Grassland

Answer

Desert

Question 45

Identify the characteristic that does NOT describe a forest ecosystem.

Accepted Answer

Abundant sunlight

Answer

Diverse plant and animal species

Answer

Tall trees

Answer

Multi-layered vegetation

Question 46

Which of the following is a key characteristic of a tundra ecosystem?

Accepted Answer

Low temperatures and permafrost

Answer

High biodiversity

Answer

Dense vegetation

Answer

Abundant rainfall

Question 47

Which type of interaction is not typically observed within an ecosystem?

Accepted Answer

Parasitism between plants

Answer

Competition for resources

Answer

Predator-prey relationships

Answer

Mutualism

Question 48

What term best describes a community of living organisms and their physical surroundings?

Accepted Answer

Ecosystem

Answer

Biome

Answer

Habitat

Answer

Biosphere

Question 49

Which of the following is an example of an aquatic ecosystem?

Accepted Answer

Ocean

Answer

Forest

Answer

Tundra

Question 50

The hierarchical level of organization that encompasses all living organisms and their physical surroundings is known as the:

Accepted Answer

Biosphere

Answer

Ecosystem

Answer

Community

Question 51

Which feature is commonly found in desert ecosystems?

Accepted Answer

Sand dunes

Answer

High biodiversity

Answer

Abundant rainfall

Answer

Dense vegetation

Question 52

Identify the process by which plants utilize sunlight, carbon dioxide, and water to produce food.

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Decomposition

Answer

Transpiration

Question 53

Which factor poses a potential threat to the stability of ecosystems?

Accepted Answer

Pollution

Answer

Water

Answer

Sunlight

Answer

Oxygen

Question 54

What is the scientific term for a community of living organisms interacting with their physical surroundings?

Accepted Answer

Ecosystem

Answer

Biosphere

Answer

Biome

Answer

Habitat

Question 55

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

Accepted Answer

Artificial objects

Answer

Water

Answer

Living organisms

Answer

Soil

Question 56

Which of the following is an example of a terrestrial forest ecosystem?

Accepted Answer

Amazon rainforest

Answer

Coral reef

Answer

Desert

Answer

Tundra

Question 57

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

Accepted Answer

Photosynthesis

Answer

Transpiration

Answer

Respiration

Answer

Decomposition

Question 58

Which of the following is a characteristic of a desert ecosystem?

Accepted Answer

Extreme temperature fluctuations

Answer

Dense vegetation

Answer

High humidity

Answer

Abundant rainfall

Question 59

Which of the following human activities poses a significant threat to biodiversity?

Accepted Answer

Habitat destruction

Answer

Increased rainfall

Answer

Abundant sunlight

Answer

Reduced pollution

Question 60

What is the term for a large-scale community of plants and animals that share similar climatic and geographic conditions?

Accepted Answer

Biome

Answer

Ecosystem

Answer

Habitat

Question 61

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

Accepted Answer

Clownfish and sea anemone

Answer

Eagle and mouse

Answer

Shark and remora

Answer

Lion and zebra

Question 62

In a marine ecosystem, which organisms are the primary producers?

Accepted Answer

Phytoplankton

Answer

Zooplankton

Answer

Seabirds

Answer

Fish

Question 63

Which type of symbiotic relationship benefits one organism and has no impact on the other?

Accepted Answer

Commensalism

Answer

Predation

Answer

Parasitism

Answer

Mutualism

Question 64

Which of the following represents a food chain in a grassland ecosystem?

Accepted Answer

Grass → Grasshopper → Snake → Hawk

Answer

Trees → Deer → Wolves

Answer

Phytoplankton → Zooplankton → Fish → Seabirds

Answer

Coral → Clownfish → Sea anemones