Quantitative survey of a named animal using capture-recapture method (LC 2026) (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What type of survey is the capture-recapture method used for?
What type of survey is the capture-recapture method used for?
Quantitative
Which animal is given as an example for the capture-recapture method?
Which animal is given as an example for the capture-recapture method?
Snail
What should be set up in advance for the capture-recapture method?
What should be set up in advance for the capture-recapture method?
Animal collection method
What type of marker should be used on Day 1 to mark the animals?
What type of marker should be used on Day 1 to mark the animals?
Non-toxic marker
Where should the mark be placed on a snail's shell?
Where should the mark be placed on a snail's shell?
Underside of shell
What should be avoided when marking the animals?
What should be avoided when marking the animals?
Areas attracting predators
What should be done with the marked animals at the end of Day 1?
What should be done with the marked animals at the end of Day 1?
Replace in habitat & reset traps
Which collection method should be used on Day 2?
Which collection method should be used on Day 2?
Same method as Day 1
What additional data must be recorded on Day 2?
What additional data must be recorded on Day 2?
Number of marked snails captured
In the formula, what is the numerator?
In the formula, what is the numerator?
Day 1 captured × Day 2 captured
Using the example: 10 caught Day 1, 15 caught Day 2, 5 marked recaptured. Population estimate?
Using the example: 10 caught Day 1, 15 caught Day 2, 5 marked recaptured. Population estimate?
30
What is the denominator in the capture-recapture formula?
What is the denominator in the capture-recapture formula?
Number recaptured that were marked