Achievement Standard 90772: Evolution of NZ Plants and Animals

This achievement standard involves describing the factors and processes involved in the evolution of New Zealand’s plants and animals.
Achieved
Merit
Excellence
Describe the factors and processes involved in the evolution of New Zealand’s plants and animals
Explain/discuss: the factors and processes involved in the evolution of New Zealand’s plants and animals
Discuss: the factors and processes involved in the evolution of New Zealand’s plants and animals
Explanatory Notes
1. New Zealand’s plants and animals means species of plant and animal that are endemic to New Zealand. Examples include takahe, weta, pingao, short-tailed bat, pohutukawa, tuatara, kaka, southern rata.
2. Factors involved in the evolution of New Zealand’s plants and animals are:
  • geological and could include: plate tectonics and the resulting effects such as the break-up of Gondwanaland, changing sea levels in the Tertiary period, volcanism, mountain uplift, and climatic changes
  • biological and could include: predation, competition, range of pollinator species.
3. Processes involved in the evolution of New Zealand’s plants and animals are those that affect the gene pool and could include: mutations, genetic variation, genetic isolation, founder effect, genetic drift, differential selection pressures, bottleneck effect.
Terms:
· Describe requires the student to give characteristics of, or an account of.
· Explain requires the student to provide reasons for how or why.
· Discuss requires the student to link scientific ideas to justify, relate, evaluate, compare and contrast, or analyse.

Links to past papers:
2007: Exam paper answer schedule
2006: Exam paper answer schedule
2005: Exam paper answer schedule