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AP®Environmental ScienceCollege BoardExam QuestionsUnit 2: The Living World: BiodiversityIntroduction to Biodiversity

Introduction to Biodiversity (College Board AP® Environmental Science): Exam Questions

4 mins4 questions
11 mark

Which of the following is a definition for biodiversity?

  • The range of different habitats in an ecosystem

  • The number of species within a community

  • The range of genetic material present in a population of a species

  • The total diversity of living systems

Choose your answer

21 mark

Which of the following is an example of a population bottleneck?

  • A small group of animals is introduced to a new environment and quickly adapts to local conditions.

  • A disease wipes out a large percentage of a population, reducing its size drastically for several generations.

  • A population grows exponentially due to a sudden increase in food availability.

  • A species migrates to a new area and splits into two genetically distinct populations.

Choose your answer

31 mark

Study the table below and answer the following questions:

Location

Species Count

Endemic Species (%)

Habitat Area (km2)

Human Impact Score (1-10)

Tropical Rainforest

1500

35

5000

7

Coastal Marshland

500

10

2000

5

Temperate Forest

800

25

4000

4

Desert

300

5

7000

8

Savanna

600

15

6000

6

Alpine Tundra

200

40

1000

9

Coral Reef

1000

20

1500

6

Which location shows the highest absolute number of endemic species?

  • Tropical Rainforest

  • Coastal Marshland

  • Alpine Tundra

  • Coral Reef

Choose your answer

41 mark

Which location demonstrates the highest ratio of endemic species to human impact, considering both the percentage of endemic species and human impact score?

  • Tropical Rainforest

  • Coastal Marshland

  • Alpine Tundra

  • Coral Reef

Choose your answer