Question
Darwin described evolution as “descent with modification”. What would make evolution less probable?
A. Stable environment
B. Migration
C. Variation in offspring
D. Random mutation
Answer/Explanation
Markscheme
A
Question
What causes heritable variation in a species?
I. Muscle development through exercise
II. Increased rainfall in the ecosystem
III. Changes in the genome of the species
A. I and III only
B. II only
C. III only
D. I, II and III
Answer/Explanation
Markscheme
C
Question
The long-term exposure of bacteria to antibiotics has led to the spread of resistant strains (for example, of Clostridium difficile). What is this an example of?
A. Convergent evolution
B. Immunity
C. Natural selection
D. Dominance
Answer/Explanation
Markscheme
C