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A biologist studied the population of rats in a barn. He found that the average natality was 250, average mortality 240, immigration 20 and emigration 30. The net increase in population is :
Options
(a) 15
(b) 5
(c) zero
(d) 10
Correct Answer:
zero
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - The reaction of glycolysis occur in
- Dopamine is a
- The volume of air breathed in and out without any force has a value of
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Topics: Ecology and Ecosystem
(37)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The reaction of glycolysis occur in
- Dopamine is a
- The volume of air breathed in and out without any force has a value of
- GnRH a hypothalamic hormone needed in reproduction acts on
- In which of the following both pairs have correct combination about conservation:
Topics: Ecology and Ecosystem (37)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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