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Biodiversity and populations — Question 20

QCAA 2023, Paper 1 · 1 mark

Q20 · 2023 · Paper 1Unclassified1 mark

QUESTION 20

M n ×

The capture–recapture method and Lincoln index (

) were used to monitor a population of N == m

platypuses over a four-year period. Experimental findings are shown.

Biology question figure

The table shows data from one year of the study.

Number of individuals captured and marked in first sampling

20

Number of individuals captured in second sampling

18

Number of recaptured individuals marked

17

When was the data in the table collected?

(A) 2019

(B) 2020

(C) 2021

(D) 2022

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