Mark and Recapture

What does 'T' stand for in the formula?

• Total individuals in second sample

• Total population size

• Initially marked individuals

• Marked recaptured individuals

What does 'N' denote in the formula?

• Total individuals in second sample

• Initially marked individuals

• Marked recaptured individuals

• Total population size

How many marmots were initially tagged in the example?

• 10

• 12

• 15

• 18

Which method is NOT used to determine population size?

• Counting every individual

• Mark-recapture technique

• Estimating based on area

• Guessing randomly

What type of sampling involves tagging an individual and releasing them back

• Mark and Recapture

• Fogging

• Netting

• Transect

Which types of sampling methods would be best used for mobile organisms?

• Fogging and Mark and Recapture

• Quadrant and Transect

• Quadrant and Fogging

• Transect and Fogging

What is the primary purpose of the Mark and Recapture method in ecology?

• Estimate the total population size

• Track individual animal movements

• Identify species diversity

• Measure growth rates

• Total population size

• Number of marked individuals in the first sample

• Number of recaptured marked individuals

• Total individuals in the second sample

Which of the following is a key assumption of the Mark and Recapture method?

• The marked individuals mix randomly with the population

• The population size decreases significantly between samples

• All marked individuals are recaptured

• The environment changes drastically between samples

What is a potential source of error in the Mark and Recapture method?

• Marked individuals are more likely to be recaptured

• All individuals are equally likely to be captured

• The population is closed with no immigration or emigration

• The marks are permanent and do not affect the animals