Zadanie 4c
Explain the change in spot number in ponds containing no predators.
- Materiał graficzny
Testing selection with controlled guppy studies
Interpret experimental changes in guppy traits under different predation and mating pressures.
Tę umiejętność sprawdzają 4 zadania wzorowane na arkuszach IB z lat 2025–2026.
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Zadanie 4d
Justify the conclusion that predator treatment affected the guppy population’s spotting pattern.
- Materiał graficzny
Zadanie 37
A model dataset compares guppy populations in three ponds. Larger bright patches attract mates but can also attract predators. Pond | Predators of type P | Predators of type Q | Male patches A | 8 | 0 | Large, bright B | 13 | 0 | Medium C | 4 | 19 | Small,…
Zadanie 38
Why are Endler’s controlled studies of guppy colour patterns useful evidence for natural selection? A. They show that changing predation pressure can alter which inherited male colour patterns become common B. They show that every guppy acquires the colour it…