Environmental Science Quiz on Biodiversity and Habitats

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Questions and Answers

What is a primary consequence of deforestation on biodiversity?

Strengthening of food chains

Increase in soil fertility

Extinction of species (correct)

Enhancement of species diversity

Which of the following practices can lead to sustainable use of forest resources?

Clear-cutting without replanting

Establishing permanent grazing lands

Replanting trees after harvesting (correct)

Conversion of forest land for agriculture

What human activity contributes significantly to marine pollution?

Use of fertilizers in agriculture (correct)

Planting monocultures

Urban development

Reforestation efforts

How does habitat destruction affect food chains?

It disrupts food chains leading to species decline. Signup and view all the answers

What is a major driver of habitat destruction globally?

Expansion of agricultural land Signup and view all the answers

Which of these is NOT a recognized reason for habitat destruction?

Natural disasters such as floods Signup and view all the answers

Why is high biodiversity important for ecosystems?

It stabilizes ecosystems and food webs. Signup and view all the answers

What is a common result of eutrophication in aquatic habitats?

Decrease in oxygen levels Signup and view all the answers

Which of the following statements best describes the impact of human activities on biodiversity?

Habitat destruction is the leading factor reducing biodiversity. Signup and view all the answers

What is a direct consequence of habitat destruction caused by the increasing human population?

Interruptions in food chains leading to potential species extinction. Signup and view all the answers

What is one significant reason why humans often have a greater impact on certain habitats?

Humans clear habitats for economic activities such as farming. Signup and view all the answers

How does energy efficiency in food chains relate to humans being herbivores vs. carnivores?

Herbivores receive more energy because they consume lower trophic levels. Signup and view all the answers

In terms of plant classification, which characteristic would definitively indicate a plant as a dicotyledon?

Flowers with petals in multiples of 4 or 5. Signup and view all the answers

Which of the following is FALSE regarding viruses?

Viruses can reproduce independently without a host. Signup and view all the answers

Why is it said that humans have a choice in what they eat regarding ecological impact?

They can choose diets that minimize the use of ecosystems. Signup and view all the answers

What distinguishes multicellular organisms of the Plant Kingdom from those of protoctists?

Multicellular organisms in plants have chloroplasts. Signup and view all the answers

What is one key factor that can help preserve habitats amidst human pressures?

Implementing stricter regulations on land and resource use. Signup and view all the answers

What is considered a non-renewable resource?

Fossil fuels such as coal and oil Signup and view all the answers

What is one of the significant effects of eutrophication on aquatic environments?

Decreased biodiversity due to algal blooms Signup and view all the answers

Which method does NOT contribute to the sustainable management of fish stocks?

Increasing fishing catch limits each year Signup and view all the answers

What role do seed banks play in conservation?

They store seeds of endangered plant species for future cultivation. Signup and view all the answers

Why is habitat destruction often linked with increased carbon dioxide levels?

Trees absorb carbon dioxide during photosynthesis. Signup and view all the answers

Which of the following is NOT a reason for a species to become endangered?

Natural selection favoring adaptive traits Signup and view all the answers

What are the consequences of untreated sewage pollution?

Degradation of marine and freshwater ecosystems Signup and view all the answers

What is a potential consequence of plastic pollution in marine environments?

Physical harm to marine organisms Signup and view all the answers

What is essential for sustainable development regarding resource management?

Cooperation at various societal levels Signup and view all the answers

Which of the following is a primary reason for conserving endangered species?

To ensure genetic diversity for ecosystem stability Signup and view all the answers

How does acid rain form?

Due to the combustion of fossil fuels with sulfur impurities Signup and view all the answers

What does sustainable resource management aim to achieve?

Balancing human needs with environmental protection Signup and view all the answers

Which strategy is effective in helping to prevent species extinction?

Establishing captive breeding programs Signup and view all the answers

What is the primary impact of deforestation on global biodiversity?

Decrease in habitat availability for various species Signup and view all the answers

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Description

Test your knowledge on the impacts of deforestation and habitat destruction on biodiversity. This quiz covers various environmental practices and the importance of ecosystem diversity. Discover how human activities affect both terrestrial and aquatic ecosystems.