Explain how competition, disease or predation can counter departures from carrying capacity.
Tę umiejętność sprawdzają 3 zadania wzorowane na arkuszach IB z lat 2025–2026.
Biologia IBPaper 1A, maj 2026, TZ1wzorowane1 pktzamknięteśrednie (szac.)
A model coastal mammal population is regulated by density-dependent factors. Which explanation best fits its later plateau? A. Crowding increases parasite transmission and limits further population growth B. A volcanic eruption occurs at exactly the same time…
Biologia IBPaper 1A, maj 2025, TZ3wzorowane1 pktzamkniętełatwe (szac.)
At X the growth of a population begins to slow as it approaches a plateau. Which change could account for this density-dependent slowdown? A. A rise in the spread of disease among crowded individuals B. An unlimited new food supply C. Complete removal of…
Biologia IBPaper 1A, specimen 2025wzorowane1 pktzamkniętełatwe (szac.)
Which event is most clearly a density-independent cause of mortality in a small mammal population? A. Increased competition for burrows as numbers rise B. More rapid spread of infection at high density C. A sudden volcanic ash fall that buries the habitat D. A…