Apply the Lincoln index and evaluate assumptions about marking, mixing, detection and population closure.
Tę umiejętność sprawdzają 3 zadania wzorowane na arkuszach IB z lat 2025–2026.
Biologia IBPaper 1A, maj 2026, TZ3wzorowane1 pktzamknięteśrednie (szac.)
Which quantity can a mark–release–recapture estimate using the Lincoln index provide? A. The number of woodlice belonging to one population in a meadow B. The total number of plant species across a continent C. The precise locations of every rooted plant D.…
Biologia IBPaper 1B, maj 2025, TZ3wzorowane3 pktotwarteśrednie (szac.)
A field team investigates ticks in a fenced area of rough grassland. Outline how capture–mark–release–recapture could estimate their population size.
Biologia IBPaper 1A, maj 2025, TZ1wzorowane1 pktzamknięteśrednie (szac.)
Ecologists mark 84 woodlice and return them to a study site. After mixing, a second sample contains 72 woodlice, of which 18 are marked. Using N = MC/R, what is the estimated population? A. 174 B. 336 C. 6048 D. 1512