Download Population Dynamics

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?
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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?
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Q. Apart from competition, state another factor that limits population growth.
A. ________________________________________________________________________________________
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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. ________________________________________________________________________________________
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