Niche, adaptation and natural selection Quiz
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5 questions, one answer each
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1. Which of these is a behavioural adaptation?
- A. Thick fur in a polar bear
- B. A lizard basking in the sun to warm up
- C. Antifreeze proteins in fish blood
- D. Rolled leaves in marram grass
2. What is the niche of an organism?
- A. The place where it lives
- B. The number of individuals in its population
- C. Its role in the ecosystem, including interactions with other species and abiotic conditions
- D. The type of food it eats
3. Which statement about natural selection is correct?
- A. Individuals mutate in response to a selection pressure
- B. Individuals with advantageous alleles are more likely to survive and pass on those alleles
- C. Acquired characteristics are inherited
- D. Allele frequencies change in an individual during its life
4. Which describes evolution?
- A. A change in the allele frequencies of a population over generations
- B. The death of individuals that are not adapted
- C. A change in the phenotype of one organism during its life
- D. The migration of a species to a new habitat
5. Resistant bacteria are found after an antibiotic is used for many years. What is the best explanation?
- A. The antibiotic caused the bacteria to mutate in a helpful way
- B. The bacteria learned to resist the antibiotic
- C. The antibiotic selected bacteria that already had a resistance allele, which then reproduced
- D. The resistant bacteria changed their DNA when they needed to