Higher

Higher

# Capture-recapture

## Lesson details

### Key learning points

1. In this lesson, we will learn to understand and interpret how a population can be estimated using the capture-recapture method.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

## Video

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## Worksheet

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## Starter quiz

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### 3 Questions

Q1.
If the whole sample size is 50, what is the sample size of the bus users?
A
C
D
Q2.
If the whole sample size is 25, what is the sample size of the car users?
B
C
D
Q3.
If the whole sample size is 75, what is the sample size of the walkers?
A
C
D

## Exit quiz

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### 3 Questions

Q1.
What is an estimate of the fish population in this lake?
A
B
D
Q2.
How many fish were captured and tagged in this lake?
A
C
D
Q3.
Which of the following is not an assumption, when using a capture-recapture method to estimate an animal population?
A
B