
A student decides to conduct a mark-recapture experiment to estimate the population size of
- 134
- 349
- 558
- 1,016
- 22,320
Questions 2–5 refer to the following table:
Age
0 100 35 1.00 0 0
1 65 ? 0.65 0 0
2 45 15 ? 3 1.35
330 20 0.301 ?
4 10 10 0.10 10.10
5 0 0 0.00 1 0.0

Introduction:
In biology, population size is the definite number of organisms in the population. The total population size is calculated by given formula:
OR
Populations are made of all individuals belonging to the same species who live together at the same time.
The density of population is the count of organisms per geographic area or volume, per unit. For example, the number of organisms per square meter, per hectare or per square ilo
Answer to Problem 1TY
The correct answer is option (b) 349.
Explanation of Solution
Explanation/justification for the correct answer:
Option (b) 349.
If,
Marked mosquito fish in 1st catch = 45 individuals
Recaptured mosquito fish in 2nd catch = 62
Marked recaptured mosquito fish in 2nd catch= 20, then according to the formula,
From the equation, the estimate total population size of mosquito fish is
So, this is the correct option.
Explanation for incorrect answer:
Option (a) 134. As explained in option (b), the estimated size of a population is not matched to given data. So, this is an incorrect option.
Option (c) 558. As explained in option (b), the estimated size of a population is not matched to given data. So, this is an incorrect option.
Option (d) 1.016. As explained in option (b), the estimated size of a population is not matched to given data. So, this is an incorrect option.
Option (e) 22.320. As explained in option (b), the estimated size of a population is not matched to given data. So, this is an incorrect option.
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Chapter 43 Solutions
Principles of Biology
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