Ecosystems and Environmental Dynamics Quiz

Test your knowledge on ecosystems, energy sources, biomes, biodiversity, and environmental dynamics with these 16 questions.

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Which of the following best describes an ecosystem?

A single species living in a specific area

The interactions between living organisms and their environment

The study of individual organisms

The process of evolution within a population

1 answered

What is the primary source of energy for most ecosystems?

Wind

Water

Sunlight

Geothermal energy

1 answered

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

Plants

Animals

Rocks

Bacteria

1 answered

What is the term for the process by which organisms convert light energy into chemical energy?

Photosynthesis

Respiration

Transpiration

Decomposition

1 answered

What is the primary factor determining the distribution of terrestrial biomes?

Average temperature

Elevation

Longitude

Precipitation

1 answered

Which of the following is not a characteristic of a climax community?

High species diversity

Stable population sizes

Rapid growth rates

Maximum biomass

1 answered

What is the term for the process by which nitrogen is converted into a form that can be utilized by plants?

Denitrification

Nitrogen fixation

Ammonification

Nitrification

1 answered

Which of the following is NOT a major greenhouse gas?

Carbon dioxide

Oxygen

Methane

Water vapor

1 answered

What is the term for the relationship between two species where one benefits and the other is unaffected?

Mutualism

Commensalism

Parasitism

Predation

1 answered

#10

Which of the following is not a major biome?

Desert

Grassland

Mountain

Urban

1 answered

#11

Which of the following best describes the term 'keystone species'?

A species that can adapt to various environments

A species that serves as a major food source for predators

A species that plays a critical role in maintaining ecosystem structure and function

A species that is on the brink of extinction

1 answered

#12

What is the primary source of anthropogenic carbon dioxide emissions?

Deforestation

Agriculture

Transportation

Burning of fossil fuels

1 answered

#13

Which of the following is an example of a positive feedback loop in environmental dynamics?

Increased atmospheric carbon dioxide leading to global warming

Predator-prey population cycles

The cooling effect of melting sea ice

Increased biodiversity stabilizing an ecosystem

1 answered

#14

What is the term for the process by which a species evolves to resemble another species?

Convergent evolution

Divergent evolution

Parallel evolution

Co-evolution

1 answered

#15

Which of the following is NOT a factor contributing to biodiversity loss?

Habitat destruction

Climate change

Species reintroduction

Overexploitation

#16

What is the term for the gradual process of change and replacement of species in a community?

Eutrophication

Succession

Fragmentation

Extinction

1 answered

Ecosystems and Environmental Dynamics Quiz

Which of the following best describes an ecosystem?

What is the primary source of energy for most ecosystems?

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

What is the term for the process by which organisms convert light energy into chemical energy?

What is the primary factor determining the distribution of terrestrial biomes?

Which of the following is not a characteristic of a climax community?

What is the term for the process by which nitrogen is converted into a form that can be utilized by plants?

Which of the following is NOT a major greenhouse gas?

What is the term for the relationship between two species where one benefits and the other is unaffected?

Which of the following is not a major biome?

Which of the following best describes the term 'keystone species'?

What is the primary source of anthropogenic carbon dioxide emissions?

Which of the following is an example of a positive feedback loop in environmental dynamics?

What is the term for the process by which a species evolves to resemble another species?

Which of the following is NOT a factor contributing to biodiversity loss?

What is the term for the gradual process of change and replacement of species in a community?

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