Gce Model Questions Vol1 2020 Biology Question 30

Practice objective / multiple choice question 30 from the 2020 Gce Model Questions Vol1 Biology examination.

Gce Model Questions Vol1 2020 Biology Objective / Multiple Choice Hard Difficulty
Question 30 GCE_MODEL_QUESTIONS_VOL1 • 2020 • BIOLOGY • objective

A population of a certain species follows logistic growth with a carrying capacity \(K = 8000\) individuals. In year 0 the population size is \(N_0 = 2000\). After 4 years the population has increased to \(N_4 = 5000\).\n\n(a) Determine the intrinsic rate of increase \(r\) (per year) for this population.\n(b) Using this value of \(r\), calculate the maximum sustainable constant harvest \(H_{max}\) (individuals per year) that can be removed without causing the population to decline to extinction.

Answer Options

Correct Answer A. a) r ≈ 0.402 per year; b) H_max ≈ 805 individuals per year
B. a) r ≈ 0.350 per year; b) H_max ≈ 720 individuals per year
C. a) r ≈ 0.300 per year; b) H_max ≈ 650 individuals per year
D. a) r ≈ 0.480 per year; b) H_max ≈ 860 individuals per year
Correct Answer
A
Correct Option:
a) r ≈ 0.402 per year; b) H_max ≈ 805 individuals per year

About This Question

This is Gce Model Questions Vol1 2020 Biology Question 30. It is one of the objective questions from the 2020 Gce Model Questions Vol1 Biology examination.

Difficulty level: Hard .

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