Abiotic limits on species distributions

Biologia IBPaper 2, maj 2026, TZ2wzorowane2 pktotwarteśrednie (szac.)

Zadanie 3b

Outline one advantage and one disadvantage for a tree rooted in seasonally flooded soil.

Biologia IBPaper 1B, maj 2025, TZ2wzorowane2 pktotwarteśrednie (szac.)

Zadanie 2a

(i) Identify two species whose distributions suggest adaptation to similar abiotic conditions. (ii) Identify the least abundant species across the transect.

• Materiał graficzny

Biologia IBPaper 1B, maj 2025, TZ2wzorowane3 pktotwarteśrednie (szac.)

Zadanie 2b

Discuss why P occurs near the beginning of the transect while V occurs from about 15 m to 30 m.

• Materiał graficzny

Biologia IBPaper 1A, maj 2025, TZ1wzorowane1 pktzamkniętełatwe (szac.)

Zadanie 24

Which observation describes an abiotic influence on a freshwater community? A. Predatory beetles consuming larvae B. Dissolved oxygen concentration in the water C. Fungi infecting plant roots D. Competition between two algae species

Biologia IBPaper 1A, maj 2025, TZ2wzorowane1 pktzamkniętełatwe (szac.)

Zadanie 25

In an illustrative mosquito experiment, individuals begin as larvae and later become pupae. A fraction of 1 means all are larvae; 0 means none remain larvae. Which conclusion follows from the graph? A. Development is faster at pH 6.5 than at pH 8.5 B. Every…

• Materiał graficzny

Biologia IBPaper 2, listopad 2025, TZ1wzorowane4 pktotwarteśrednie (szac.)

Zadanie 1d

(i) Distinguish winter and summer soil moisture. (ii) Suggest reasons for the difference.

• Materiał graficzny

Biologia IBPaper 1B, listopad 2025, TZ1wzorowane1 pktotwarteśrednie (szac.)

Zadanie 2a

Suggest one abiotic factor besides elevation that might influence the distributions.

Biologia IBPaper 1B, listopad 2025, TZ3wzorowane1 pktotwarteśrednie (szac.)

Zadanie 2c

Suggest one abiotic factor that could affect the fresh-leaf indicator at high elevation.

• Materiał graficzny

Biologia IBPaper 3, maj 2024, TZ2wzorowane2 pktotwarteśrednie (szac.)

Zadanie 11c

Describe two other environmental factors that could affect their distribution, explaining the role of each.

• Materiał graficzny

Biologia IBPaper 3, maj 2024, TZ1wzorowane3 pktotwarteśrednie (szac.)

Zadanie 12c

List three factors that can affect animal-species distribution.

• Materiał graficzny

Biologia IBPaper 3, listopad 2024, TZ1wzorowane2 pktotwarteśrednie (szac.)

Zadanie 12b

Identify two abiotic factors that can limit tundra plant growth.

• Materiał graficzny

Biologia IBPaper 3, listopad 2024, TZ2wzorowane2 pktotwarteśrednie (szac.)

Zadanie 14c

Deduce which species could indicate relatively unpolluted water, giving a reason.

Biologia IBPaper 3, maj 2023, TZ1wzorowane1 pktotwarteśrednie (szac.)

Zadanie 13a

Describe the overall pattern in the species counts.

• Materiał graficzny

Biologia IBPaper 3, maj 2023, TZ2wzorowane2 pktotwarteśrednie (szac.)

Zadanie 14a

Describe two factors that could limit this ecosystem.

• Materiał graficzny

Biologia IBPaper 3, listopad 2023, TZ1wzorowane1 pktotwarteśrednie (szac.)

Zadanie 12

Four islands in an isolated archipelago are shown at a common scale. Predict which island might have the greatest biodiversity, giving a reason.

• Materiał graficzny