Zadanie 3c
State two sources supplying energy to X.
- Materiał graficzny
Organic energy supplies for decomposers
Explain how dead organisms, shed tissues and waste provide carbon compounds to decomposers.
Tę umiejętność sprawdza 8 zadań wzorowanych na arkuszach IB z lat 2022–2024.
Zadania sprawdzające tę umiejętność: 8 Otwórz w wyszukiwarce z filtrami
Zadanie 1b
Suggest why the soil and pot are enclosed in a sealed plastic covering.
- Materiał graficzny
Zadanie 8a
A sealed microbial digester converts organic waste into biogas. State one suitable source of organic material for this process.
Zadanie 14b
New mineral ground in a cold northern valley is gradually colonized by plants. Much of the subsoil remains frozen throughout the year. Outline processes that can increase soil depth over time.
- Materiał graficzny
Zadanie 18
A freshwater invertebrate ingests fragments of dead leaves and digests them inside its gut. Which nutritional description is most specific? A. A photoautotroph using light to fix carbon B. A saprotroph secreting enzymes onto food outside its body C. A…
Zadanie 11c
Outline two ways livestock production can alter nutrient cycling.
- Materiał graficzny
Zadanie 13b
Explain the large nutrient transfer from litter to soil.
- Materiał graficzny
Zadanie 6
Plants participate in energy flow and carbon cycling. (a) Outline energy flow through an ecosystem. (b) Describe how plants influence atmospheric carbon dioxide.