Zadanie 4a
State the consumer level occupied by these weevils.
Assigning trophic positions
Identify producers and consumer levels while recognizing that a varied diet can place an organism at several levels.
Tę umiejętność sprawdza 15 zadań wzorowanych na arkuszach IB z lat 2023–2026.
Zadania sprawdzające tę umiejętność: 15 Otwórz w wyszukiwarce z filtrami
Zadanie 5b
The diagram shows selected inputs and outputs for one goat. (i) Identify gas X and the process in the goat that produces it. (ii) State the consumer level of a person who eats the goat.
- Materiał graficzny
Zadanie 2a
Justify why the otter has a higher DDT concentration than either the heron or the pike.
- Materiał graficzny
Zadanie 2c
State the trophic level occupied by the zooplankton in this feeding relationship.
Zadanie 35
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
Zadanie 37
Which pair can each occupy the tertiary-consumer level in at least one chain shown? A. Geese and mussels B. Ducks and eagles C. Zooplankton and small fish D. Algae and large fish
- Materiał graficzny
Zadanie 15a
A hypothetical intestinal parasite grows first in a crustacean, then in a small fish that eats it, and finally reproduces in a fish-eating bird. Discuss the trophic level of the parasite.
- Materiał graficzny
Zadanie 4a
(i) State, with a reason, whether this animal is autotrophic or heterotrophic. (ii) Explain what information is needed to determine its trophic level.
Zadanie 15a
Identify the trophic level occupied by the lizard.
- Materiał graficzny
Zadanie 15c
Outline why the owl is difficult to allocate to a single tier of an energy pyramid.
- Materiał graficzny
Zadanie 16
In a model orchard study, fruit-feeding beetles damage cultivated apricot fruit. Distinguish the trophic levels of the beetles and the apricot trees.
Zadanie 7
(a) Describe how populations in an ecological community depend on one another for energy supplies. (b) Explain the endosymbiotic origin of organelles in plant cells. (c) Analyse how a flowering plant and its animal pollinator benefit from their interaction.
Zadanie 7
(a) Describe how populations in an ecological community depend on one another for energy supplies. (b) Explain the endosymbiotic origin of organelles in plant cells. (c) Analyse how a flowering plant and its animal pollinator benefit from their interaction.
Zadanie 16b
State the trophic level occupied by limpets.
- Materiał graficzny
Zadanie 16b
State the trophic level occupied by limpets.
- Materiał graficzny