Zadanie 28
Arrows in this food web point from food to consumer. How many animal species feed exclusively as primary consumers in the web shown? A. 5 B. 4 C. 6 D. 3
- Materiał graficzny
Representing feeding networks
Construct food chains or webs with arrows showing the direction of biomass and energy transfer.
Tę umiejętność sprawdza 6 zadań wzorowanych na arkuszach IB z lat 2023–2025.
Zadania sprawdzające tę umiejętność: 6 Otwórz w wyszukiwarce z filtrami
Zadanie 1a
(i) Draw one plausible four-level food chain using the organism groups listed. (ii) Suggest one way fish could increase the supply of nutrients in lake water.
- Materiał graficzny
Zadanie 14a
A simplified model represents a coastal food web. Identify two primary consumers in the web.
- Materiał graficzny
Zadanie 20
The diagram is a hypothetical food web. Which is a possible explanation for an increase in hares after lynx numbers are reduced? A. Hares may face less lynx predation, while increased voles could provide alternative prey for martens B. Fewer lynx necessarily…
- Materiał graficzny
Zadanie 13b
Explain how biomagnification of additive B through this food web could affect human health.
- Materiał graficzny
Zadanie 16a
Identify the whelk’s largest source of dietary energy.
- Materiał graficzny