Zadanie 1a
Identify the species with the lowest Topt.
- Materiał graficzny
Zadania wzorowane na pytaniach z tego arkusza: te same umiejętności, format i punktacja, inne dane i kontekst. Treści arkusza IB nie publikujemy.
W bazie 21 zadań z tego arkusza, razem 66 punktów, każde z kluczem i schematem punktowania. Najwięcej zadań sprawdza: Recording and interpreting biological data (3), Directional communication at chemical synapses (3), Evaluating biological evidence and methods (2).
Rozwiąż arkuszCały arkusz po kolei. Wynik na końcu.
Dodaj cały arkusz do zestawuIdentify the species with the lowest Topt.
Calculate the range of Tmax across the species.
Analyse the curves to identify a key difference between the two groups.
(i) Distinguish winter and summer soil moisture. (ii) Suggest reasons for the difference.
Predict when D would begin germinating after a fire at the start of summer, giving reasons.
Discuss which group may be more adversely affected by warmer soil, using the datasets.
Distinguish essential from non-essential amino acids in the human diet.
Identify X and Y.
Explain why the polypeptide chains differ in length.
Deduce a possible identity for I, giving a visible reason.
State whether this fungus is prokaryotic or eukaryotic, with a reason.
State a principal chemical component of II.
Identify one visible feature that is atypical of a simple one-cell model.
Draw the molecular structure of water.
State two cellular processes powered by ATP hydrolysis.
Outline how cells make ATP.
Deduce the type of substance in the vesicles.
Distinguish the presynaptic and postsynaptic membranes with two differences.
Suggest an advantage of the narrow cleft.
Feedback regulates physiological variables. (a) Discuss positive and negative feedback in variable control. (b) Describe the regulation of human blood glucose. (c) Explain responses expected when blood pH falls below its usual range. One additional mark is…
Organisms show a variety of structural and physiological adaptations. (a) Explain the evolution of analogous structures. (b) Describe typical adaptations of plants in hot deserts. (c) Suggest adaptations that enable herbivores to obtain or digest plant food.…
Zapisujemy na Twoim urządzeniu to, bez czego serwis nie działa, np. zalogowanie. Plików analitycznych użyjemy tylko za Twoją zgodą. Szczegóły w polityce prywatności.