Speciation Exam-Style Questions

Question 1

Q1. Knowledge Recall (1 mark)

Define the term "evolution" as it is understood in modern biology.

Question 2

Q2. Application of Knowledge (2 marks)

Explain how geographical isolation can lead to speciation.

Question 3

Q3. Data Analysis (3 marks)

The image shows a geological timeline and the emergence of different species of finches.

[Image description: Timeline showing the emergence of different finch species on different Galapagos Islands]

Identify the likely event that led to the divergence of finch species on different islands.

Question 4

Q4. Knowledge Recall (1 mark)

What is the role of genetic drift in the process of speciation?

Question 5

Q5. Application of Knowledge (2 marks)

Explain how reproductive isolation can prevent gene flow between populations.

Question 6

Q6. Data Analysis (3 marks)

The table shows the number of individuals with sickle cell anemia and malaria in a human population.

Genotype

Sickle Cell Anemia (%)

Malaria (%)

AA

0

80

AS

50

10

Explain how the presence of malaria in this population has influenced the evolution of sickle cell anemia.

Question 7

Q7. Knowledge Recall (1 mark)

Define the term "sympatric speciation."

Question 8

Q8. Application of Knowledge (2 marks)

Describe how hybridization can contribute to the formation of new species.

Question 9

Q9. Data Analysis (3 marks)

The diagram shows the distribution of two closely related species of plants.

[Image description: Map showing the distribution of two plant species and the area where they overlap]

Explain how competitive exclusion may have contributed to the observed distribution of the two species.

Question 10

Q10. Application of Knowledge (2 marks)

Explain the role of polyploidy in rapid speciation.

SS

100

0

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