B4 - Population Size: Capture & Recapture

Population: All the organisms of ONE SPECIES in a SINGE HABITAT.

You can estimate population size using the capture-recapture method.

This is where you capture a small sample of the population, and mark the organisms in a harmless way, such as a dot of paint.

You then release them back into their environment.

The next day, you recapture another sample of the population, and count how many of these…