Populations
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Question 1 of 30
1. Question
A group of organisms of one species, living in the same area at the same time is known as….?
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Question 2 of 30
2. Question
All living organisms ________ with each other for food, water and living space.
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Question 3 of 30
3. Question
All of the populations of different species in an ecosystem is known as…?
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Question 4 of 30
4. Question
Those which are the best adapted to their environments generally _____ their populations at the expense of those less well adapted.
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Question 5 of 30
5. Question
Population growth in most organisms is controlled by…?
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Question 6 of 30
6. Question
A unit containing the community of organisms and their environment, interacting together (eg a decomposing log, a lake) is called a/an…?
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Question 7 of 30
7. Question
Improved technology leading to an abundance of food =
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Question 8 of 30
8. Question
The human population growth is growing _______.
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Question 9 of 30
9. Question
The number of individuals living in a unit area is called…?
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Question 10 of 30
10. Question
The rate at which new individuals are added to a population in a unit time is called…?
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Question 11 of 30
11. Question
Improved medicine, hygiene and health care leads to a….?
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Question 12 of 30
12. Question
The average span between the birth of individuals and the birth of their offspring is called _________ time.
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Question 13 of 30
13. Question
The relative number of individuals of each age in a population is called _________ structure.
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Question 14 of 30
14. Question
A country has a population of 30.5 million and a natural increase of 2.4% per year. What will be the population in twenty years?
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Question 15 of 30
15. Question
Which of these defines the study of the characteristics and parameters of a population?
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Question 16 of 30
16. Question
Name the organisms who can breed only once in their lifetime.
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Question 17 of 30
17. Question
Which of the following survivorship curves is suitable for the organisms who breed several times during the course of their lifespan?Â
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Question 18 of 30
18. Question
Interactions which arise from the interaction of populations of two different species are known as…?
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Question 19 of 30
19. Question
The incidence of a gene variant in a population is represented by…?
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Question 20 of 30
20. Question
Allele frequencies can be represented by a…?
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Question 21 of 30
21. Question
If 16% of the persons in a population show a recessive trait, what is the allelic frequency for the dominant allele?
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Question 22 of 30
22. Question
Which of the following would cause deviation from the Hardy-Weinberg equilibrium?
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Question 23 of 30
23. Question
What does p2 in the Hardy-Weinberg equation indicate? (p+q)2 = p2 + 2pq + q2
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Question 24 of 30
24. Question
Which condition is essential for a population to be in the Hardy-Weinberg equilibrium?
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Question 25 of 30
25. Question
Total genetic diversity found within a population or a species is known as the..?
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Question 26 of 30
26. Question
Godfrey Hardy and Wilhelm Weinberg concluded that gene pool frequencies are…?
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Question 27 of 30
27. Question
If the genetic diversity is low the chances of extinction is…?
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Question 28 of 30
28. Question
The composition of a population’s gene pool can change over time through______.
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Question 29 of 30
29. Question
A large and diverse gene pool may ________ a population’s chances for future adaptation to changing environmental conditions.
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Question 30 of 30
30. Question
Inbreeding contributes to the creation of a __________ and makes populations or species more likely to go extinct when faced with some type of stress.
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