Environmental Science – Biodiversity Practice Test

These questions are part of the practice quiz. Start practicing

• What is the primary focus of conservation biology?
• What roles do birds play in the Great Lakes ecosystem?
• How does climate change affect biodiversity?
• Name a benefit of maintaining biodiversity for humans.
• What is the impact of natural selection on medium ground finches during a prolonged drought?
• Which term refers to a section of DNA that controls a trait?
• Which of the following best describes "adaptive traits"?
• What is an “ecosystem service”?
• What ethical concern is associated with the use of gene drives?
• What is an ecological footprint?
• Which statement accurately describes a gene drive?
• What is a major consequence of increased growth of toxic algae blooms in the Great Lakes?
• Which aspect of biodiversity is most directly affected by climate change?
• What is the difference between extinct and extirpated species?
• Which question addresses a social issue related to conservation?
• What defines an endangered species?
• What role did the Industrial Revolution play in air pollution?
• Which factor is considered a major threat to biodiversity?
• What is the significance of protected areas in biodiversity conservation?
• What are biological invasions characterized by?
• What does "variation" mean in biological terms?
• What is one benefit of hybridization in endangered species conservation?
• What describes the introduction of excess nutrients to an ecosystem?
• What roles do native algae play in the Great Lakes ecosystem?
• Which factor is not typically considered in discussions about endangered species?
• What role can traditional breeding play in conjunction with gene drives?
• What are umbrella species?
• What are the potential consequences of invasive species on local ecosystems?
• How do National Parks contribute to biodiversity?
• Which statement most accurately defines biodiversity?
• What best describes habitat fragmentation?
• Why is genetic variation critical for species adaptation?
• Which of these is a likely application of a gene drive?
• Which factors are known to decrease biodiversity?
• What is the main goal of the Endangered Species Act passed in 1972?
• In ecological terms, what does "invasive species" refer to?
• What role do pollinators play in ecosystems?
• How is "species" best defined?
• What does the term "ecological collapse" refer to?
• What impact does pollution have on biodiversity?
• Which of the following organisms is considered endangered?
• Which aspect of an ecosystem could be impacted by the decline of birds?
• How might gene drives be viewed in the context of ecological balance?
• Which of the following contributes to the effectiveness of a gene drive?
• How has hybridization affected the endangered spotted owl in Washington State?
• What are the effects of acid rain on biodiversity?
• What does it mean for a species to be classified as endangered?
• What is a core benefit of maintaining biodiversity?
• How does biodiversity contribute to ecosystem services?
• What does the term "invasive species" refer to?
• What does the term hybridize mean?
• What defines an endemic species?
• What defines a genetic disorder?
• Which of the following is an example of an invasive species on the island of Guam?
• How does urbanization affect biodiversity?
• Why is the conservation of native species important?
• What is a significant consequence of wetland loss?
• What best describes biodiversity?
• What is the Convention on Biological Diversity (CBD)?
• What is the primary purpose of using gene drives in ecological management?
• What does reproductive success refer to in the context of overproduction?
• What is the significance of genetic variation in a population?
• Why is rapid inheritance bias significant in the context of gene drives?
• How does deforestation impact biodiversity?
• Which of the following factors can disrupt an ecosystem and lead to biodiversity loss?
• What is meant by the term “bioaccumulation”?
• Name a major threat to biodiversity.
• What role do native zooplankton play in the Great Lakes ecosystem?
• Which is a direct consequence of high zebra mussel populations in aquatic ecosystems?
• What is the term used to describe the continuous chasing and killing of animals in the wild?
• How are genes for a trait normally inherited?
• What is a potential application of gene drives in agriculture?
• What is the role of hybrid organisms in conservation efforts?
• Why is the protection of habitats critical to conservation?
• What is the significance of the Biodiversity Index?
• What is an example of a benefit that biodiversity provides to ecosystems?
• Which of the following can contribute to biodiversity loss?
• Which statement best describes the importance of genetic diversity within species?
• What happens when a habitat is fragmented?
• What does "natural selection" refer to?
• What is sustainable agriculture?
• What is the role of pollinators in ecosystems?
• How does pollution affect biodiversity?
• How do conservation efforts help biodiversity?
• Which of the following describes a benefit of utilizing gene drives in conservation efforts?
• What term describes the competition for resources faced by native organisms due to non-native species?
• What is a significant effect of genetic variation?
• What does sustainable fishery management aim to achieve?
• What is the role of genetic diversity in species survival?
• Which factor contributes to a species' ability to thrive over time?
• Which factor can lead to altered ecosystems affecting biodiversity?
• In terms of evolution, how can continuous isolation of a population lead to speciation?
• What technology is commonly associated with gene drives for gene editing?
• What is meant by differential reproductive success?
• What is one major cause of biodiversity loss?
• In the context of evolutionary biology, what is a benefit of higher genetic diversity?
• What does an increased variance in traits within a species typically lead to?
• What are potential consequences of inbreeding in a population?
• What economic consideration is important in conservation?
• Which of the following is a key component of biodiversity conservation?
• What defines sustainable development?
• Why is biodiversity important for ecosystems?
• What term describes the total genetic diversity found within a population?
• How is "fitness" best defined in the context of evolution?
• What are the three levels of biodiversity?
• What is a primary benefit of preserving wetlands?
• What limitation is often cited regarding the deployment of gene drives?
• Why are seed banks significant?
• Which of the following is an ethical question regarding conservation?
• What is a mutation in genetic terms?
• What is one outcome of overproduction in reproductive strategies?
• What is one method to assess the health of an ecosystem?
• How can community engagement promote biodiversity conservation?
• What effect does overfishing have on marine biodiversity?
• Which of the following best describes the impact of zebra mussels on the Great Lakes food web?
• Which of the following is an example of a sustainable practice that helps protect biodiversity?
• What is a common consequence of invasive species on native environments?
• Why is high genetic variation significant for a species?
• What ecological concept encompasses the variety of life forms in a given ecosystem?
• Which of the following is NOT a factor contributing to species endangerment?
• What human activity is most directly linked to habitat destruction?
• What is the primary cause of biodiversity loss?
• Which of the following best describes the consequences of conservation efforts?
• Which practice is least likely to help in conserving biodiversity?
• How can individuals contribute to biodiversity conservation efforts?
• Which factor does NOT contribute to the concept of fitness in natural selection?
• What is mainly assessed in a biodiversity assessment?
• What term describes the current crisis affecting biodiversity globally?
• What method of speciation occurs when a geographical barrier separates populations?
• What is habitat fragmentation?
• What is one effect of climate change on biodiversity?
• What role do protected areas play in ecosystem management?
• What is a native species?
• What is the primary function of protected areas in biodiversity conservation?
• How might hybridization affect endangered species?
• What effect does overpopulation have on a species?
• What is a biodiversity assessment?
• What is the main concern regarding non-target effects of gene drives?
• What is an ecological niche?
• In unstable environments, what happens to natural selection?
• What is one of the main drivers of biodiversity loss?
• Which of the following is not a possibility for increased temperatures and rainfall affecting biodiversity?
• Which political issue can arise in conservation discussions?
• What is inbreeding?
• What is the process of ecosystem restoration?
• What might cause a species’ population to become reduced?
• What process can lead to the evolution of a population?
• How does biodiversity tend to increase over time?
• How does biodiversity typically arise within a population?
• What role do keystone species play in an ecosystem?
• What is the role of environmental education in promoting biodiversity?
• Give an example of species diversity.
• What is biodiversity?
• Which of the following actions would potentially help maintain biodiversity?
• Define the term "biodiversity hotspot."
• Which of the following is a cause of increased species diversity?
• What potential ecological impact could result from the use of gene drives?
• What is a potential ethical issue related to conservation efforts?
• Which strategy can effectively reduce the impacts of climate change on biodiversity?
• What is genetic diversity?
• What is an endangered species?
• How can habitat restoration benefit biodiversity?
• What does the Species-at-Risk Act aim to achieve?
• What is biotic potential?
• How does loss of biodiversity affect ecosystem resilience?
• What is a trophic cascade?
• What is biomagnification?
• What is a potential effect of biological invasions on local ecosystems?
• What is ecosystem diversity?
• What is conservation biology?
• What type of speciation occurs due to geographic isolation?
• What role do keystone species play in an ecosystem?
• What is a potential negative impact of introducing hybrid species to ecosystems?
• What is rewilding in conservation?
• What can result from continuous habitat degradation?
• Which of the following best explains the working of a gene drive?
• Why is habitat destruction a concern for biodiversity?
• Which species interaction is crucial for maintaining ecosystem balance?
• Which of the following can lead to a loss of biodiversity in an ecosystem?
• Which practice is critical for maintaining biodiversity in agriculture?
• What is the main impact of advantageous traits during natural selection?