Zadanie 5c
Explain how a sustained increase in seawater temperature can affect reef-building corals.
Warming and acidification threatening reefs
Distinguish temperature-driven bleaching from reduced calcification under acidification and explain consequences for reef communities.
Tę umiejętność sprawdza 7 zadań wzorowanych na arkuszach IB z lat 2023–2026.
Zadania sprawdzające tę umiejętność: 7 Otwórz w wyszukiwarce z filtrami
Zadanie 7
Carbon participates in molecular structures, ecosystem transfers and changes to the global environment. (a) Outline bonding properties that allow carbon to form many different molecules. (b) Describe processes that transfer carbon through an ecosystem. (c)…
Zadanie 7
Water and dissolved substances connect the functioning of cells with the physical conditions of oceans. (a) Outline properties of water, linking each to its importance for living organisms. (b) Describe how water-soluble molecules and ions pass across cell…
Zadanie 13
A hypothetical coral experiment compares three water temperatures. The scattergraph tracks symbiotic algal density over ten weeks. Using the data, explain the effect of temperature on coral bleaching.
- Materiał graficzny
Zadanie 13b
A model heating experiment measures oxygen production by the algal partners and oxygen consumption by the association. In this model, visible bleaching occurs above 33.5°C. (i) Distinguish the temperatures at which further warming begins to reduce the two…
- Materiał graficzny
Zadanie 2c
In another observation, more rapid photosynthesis is associated with rising water pH. Suggest an explanation.
- Materiał graficzny
Zadanie 7
(a) Describe how increasing atmospheric carbon dioxide can change coral reef ecosystems. (b) Explain how natural selection changes a population.