Relate changes in domesticated breeds and crop varieties to inherited variation and selection over generations.
Tę umiejętność sprawdza 5 zadań wzorowanych na arkuszach IB z lat 2022–2026.
Consider evidence used to investigate shared ancestry and inherited evolutionary change. I. Comparisons of homologous RNA sequences II. A claim that two independently evolved flight surfaces must share a recent wing-bearing ancestor III. Inherited changes…
Which observations provide evidence for evolutionary change? I. A shared underlying forelimb bone pattern in bats and whales. II. Heritable changes produced by selective breeding of crop plants. III. The claim that every acquired bodily change is automatically…
A domesticated dairy breed consistently produces much more milk than its wild relatives. Which process most directly explains development of the breed? A. Geographical isolation without selection B. Artificial selection across generations C. Independent…
Which example demonstrates artificial selection? A. A drought favours naturally occurring deeper-rooted plants B. A breeder repeatedly uses the longest-fibred plants as parents C. Birds with poorly camouflaged plumage are more often eaten D. A random storm…
Over many generations, growers repeatedly choose beet plants with high sugar yields as parents for the next crop. What process is this? A. Random mating without selection B. Selective breeding C. Convergent evolution caused only by drought D. A single acquired…
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