Explain selection as a mechanism producing population change and diversity over many generations.
Tę umiejętność sprawdza 6 zadań wzorowanych na arkuszach IB z lat 2023–2026.
Living systems display diversity from molecules to communities. (a) Outline how the structures of starch and cellulose support their functions. (b) Describe adaptations through which forest plants obtain light. (c) Explain how natural selection brings about…
Nectar-feeding insects depend on flowering plants and can influence their evolution. (a) Outline links between the properties of glucose and its uses. (b) List human activities that threaten insect pollinators. (c) Explain how natural selection can produce…
Changes in genetic material can have different consequences. (a) Outline how mutations can contribute to cancer. (b) Outline one human disease caused by an autosomal recessive allele. (c) Explain the role of mutation in evolution. One additional mark is…
Over generations, individuals with a heritable trait leave more offspring, and the trait becomes more common. What is the resulting population-level change? A. Every individual has deliberately adapted its genes B. All genetic variation must disappear…
Two descendant bird lineages evolve different feeding structures. Which statements can explain this divergence? I. Heritable beak variation was available in the ancestral population. II. Beak wear acquired by an individual is necessarily inherited by its…
(a) Describe how increasing atmospheric carbon dioxide can change coral reef ecosystems. (b) Explain how natural selection changes a population.
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