Zadanie 4d
Explain how predation can produce the observed evolutionary change.
- Materiał graficzny
Inheritance as a requirement for selection response
Distinguish heritable differences from acquired environmental effects when explaining evolutionary change.
Tę umiejętność sprawdza 8 zadań wzorowanych na arkuszach IB z lat 2022–2025.
Zadania sprawdzające tę umiejętność: 8 Otwórz w wyszukiwarce z filtrami
Zadanie 10
Genetic information helps explain early life and guide present-day conservation. (a) Describe RNA structure and evidence supporting an RNA-first stage of early life. (b) Describe uses of DNA-sequence analysis in biodiversity conservation. (c) Explain causes…
Zadanie 14
A crop is modified to survive treatment with a particular herbicide. Discuss potential benefits and risks of growing this herbicide-resistant crop.
Zadanie 7b
Explain how a food-provisioning behaviour of this kind could evolve.
Zadanie 8a
(i) Identify the relationship between migration distance and plumage darkness. (ii) Suggest two explanations for variation in plumage other than mate choice.
- Materiał graficzny
Zadanie 8b
Explain how natural selection can change behaviour in a population.
- Materiał graficzny
Zadanie 18
In a stable environment, a heritable trait lowers survival and the number of offspring produced. What does natural selection tend to do over generations? A. Decrease the trait’s frequency B. Ensure that every individual acquires a beneficial mutation C. Pass…
Zadanie 17
A constructed survey finds that pale moths become more frequent after soot deposits on tree bark decline. Which explanation is consistent with natural selection? A. Every dark moth changes its inherited colour in response to cleaner air B. Pale moths become…