Ecosystems

EasyMediumHard
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849
Question 43
Easy

An ecologist estimates the total population of beetles in a study area using the capture-recapture method.

On Monday, she captures a sample of 505050 beetles, marks them with a non-toxic paint, and releases them.

On Tuesday, she captures a second sample of 404040 beetles and finds that 888 of them are marked.

Estimate the total beetle population in the study area.

[2]

Ecosystems Questions

  1. GCSE
  2. /Biology
  3. /Ecosystems