15. Young rainbow trout were sampled along a river to study the population and determine if...

50.1K

Verified Solution

Question

Biology

15. Young rainbow trout were sampled along a river to study thepopulation and determine if recreational fishing or other factorsmight be affecting the size of the population.
A. In the first year of the study, researchers estimated thesize of the population. They performed the first stage of theiranalysis after breeding season had ended. The first week, 92 troutwere captured and marked. In a second round of capture one weeklater, 108 trout were captured; of these, 12 were marked. Estimatethe size of the population based on these data. Round your anwer tothe nearest whole number.
15B. In the second year of the study, researchers estimated theper capita population growth rate at -0.15. Based on this value,what is the size of the population in the second year of the study?Round your answer to the nearest whole number.
15C. Identify two factors that could have caused the populationto change in this way, and briefly explain how each factor couldresult in this change in 1-2 sentences (each).

Answer & Explanation Solved by verified expert

3.6 Ratings (421 Votes)

15A If a proportion of the population was marked in some wayreturned to the original population and then after complete mixinga second sample was taken the proprtion of See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member