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1.4.10 - 12 Relationships & Population Dynamics FMQuiz Homework Name: ____________________ Q. Comment on the relative sizes of an individual producer and an individual primary consumer in a pyramid of numbers. A. ________________________________________________________________________________________ Q. What is a predator? A. ________________________________________________________________________________________ Q. What does an ecologist mean by competition? A. ________________________________________________________________________________________ Q. What term is used to describe an animal that is killed and eaten? A. ________________________________________________________________________________________ Q. True or False. Competition is generally more intense between members of the same species than between members of different species. A. ________________________________________________________________________________________ Q. Suggest possible effects of the disappearance of a plant species on the populations of other plants and animals in the ecosystem. A. ________________________________________________________________________________________ ________________________________________________________________________________________ Q. What is contest competition? A. ________________________________________________________________________________________ Q. What term do ecologists use to describe an animal which kills and eats other animals? A. ________________________________________________________________________________________ Q. If the population of prey declines suggest two possible consequences for the predators. A. ________________________________________________________________________________________ Q. What is scramble competition? A. ________________________________________________________________________________________ Q. Apart from competition, state another factor that limits population growth. A. ________________________________________________________________________________________ Page 1 of 2 1.4.10 - 12 Relationships & Population Dynamics FMQuiz Homework Q. Give an example of predation by naming a predator and its prey. A. ________________________________________________________________________________________ Q. Where one organism lives in or on a second species, feeding on it and causing it harm is called … A. ________________________________________________________________________________________ Q. Name a factor, other than competition, that controls wild populations. A. ________________________________________________________________________________________ Q. Mortality levels resulting from infection by a particular virus tend to decline over the years. Why? A. ________________________________________________________________________________________ Q. Marking an animal might endanger it. Why? A. ________________________________________________________________________________________ Q. Suggest a role for parasites in the overall scheme of nature. A. ________________________________________________________________________________________ Q. Name a predator and give one adaptive technique. A. ________________________________________________________________________________________ Q. Suggest an effect on human population of an increased availability of contraception. A. ________________________________________________________________________________________ Q. All the members of a species living in an area is referred to as … A. ________________________________________________________________________________________ Q. Give four factors that influence the size of the human population. A. ________________________________________________________________________________________ Q. Mortality levels tend to be higher in the migratory animal species. Why? A. ________________________________________________________________________________________ Q. The population of a predator did not decline following a big reduction in the population of its main prey. Why? A. ________________________________________________________________________________________ Q. A relationship between two organisms in which both benefit is called … A. ________________________________________________________________________________________ Page 2 of 2