1. 1.4.10.H Pyramid of Numbers 1.4.11.H Ecological Relationships 1.4.12.H Population Dynamics Follow-Me – iQuiz

2. Q. Comment on the relative sizes of an individual producer and an individual primary consumer in a pyramid of numbers. An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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4. Q. What is a predator? An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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6. Q. What does an ecologist mean by competition? An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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8. Q. What term is used to describe an animal that is killed and eaten? An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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10. Q. True or False. Competition is generally more intense between members of the same species than between members of different species. An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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12. Q. Suggest possible effects of the disappearance of a plant species on the populations of other plants and animals in the ecosystem. An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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14. Q. What is contest competition? An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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16. Q. What term do ecologists use to describe an animal which kills and eats other animals? An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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18. Q. If the population of prey declines suggest two possible consequences for the predators. An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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20. Q. What is scramble competition? An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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22. Q. Apart from competition, state another factor that limits population growth. An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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24. Q. Give an example of predation by naming a predator and its prey. An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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26. Q. Where one organism lives in or on a second species, feeding on it and causing it harm is called … An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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28. Q. Name a factor, other than competition, that controls wild populations. An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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30. Q. Mortality levels resulting from infection by a particular virus tend to decline over the years. Why? An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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32. Q. Marking an animal might endanger it. Why? An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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34. Q. Suggest a role for parasites in the overall scheme of nature. An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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36. Q. Name a predator and give one adaptive technique. An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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38. Q. Suggest an effect on human population of an increased availability of contraception. An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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40. Q. All the members of a species living in an area is referred to as … An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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42. Q. Give four factors that influence the size of the human population. An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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44. Q. Mortality levels tend to be higher in the migratory animal species. Why? An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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46. Q. The population of a predator did not decline following a big reduction in the population of its main prey. Why? An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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48. Q. A relationship between two organisms in which both benefit is called … An animal which kills and eats another animal for food Different prey Famine; Birth control; War; Disease; Birth rate; Death rate or longevity; FALSE Each organism gets some of resource Host immunity develops; Natural selection; Vaccination Hazards encountered on migration Fox, Speed and sharp canine teeth Fox, Chicken, Hawk, Rabbit Mutualism; Symbiosis Parasitism Population control Predator Prey More conspicuous to predators; Social outcast; Toxic marker When two or more organisms fight for a resource that is in short supply Starvation or death; Migration; Decline in population; Change food source Producer larger; Consumer smaller TRUE Consumers of this plant may decrease; Numbers of other plant species may increase; One organism loses the resource Decrease (no increase) in population; Improved social conditions; Reduced STIs Population Disease; Parasitism; Food availability; Pollution; Predation; Hunting

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