1. Leaving Certificate Biology Ecology 3 iQuiz SECOND Press the F5 Key to Begin, Then click on this Blue Box FIRST In PowerPoint 2007 if you see a Security Warning click HERE on Options… and then click on  Enable this content

2. Which of the following is not an abiotic factor? pHSalinity Dissolved oxygenPathogens

3. The protection and wise management of natural resources and the environment is known as … ConservationEquilibrium Control measuresInterdependence

4. An active physical confrontation between two organisms, e.g. two dogs fighting over a bone, is an example of what type of competition? ScrambleContest AntagonisticHostile

5. This term refers to an organism that is active during the day. What is it? Nocturnal DiureticDetrivore Diurnal

6. What word describes the functional role of a species or population in an ecosystem? DependenceConsumer SymbioticNiche

7. An animal whose temperature changes with that of its surroundings, i.e. a cold-blooded animal, is known as … EndodermEndotherm EctothermEctoderm

8. What term is used to describe a condition where lakes become over- enriched with nutrients, from excess fertiliser use and results, ultimately, in the death of aquatic organisms? DenitrificationEutrophication BiodegradationAmmonification

9. The conversion of ammonia to nitrites and nitrates is known as … NitrificationDenitrification Nitrogen fixation Nitrogen assimilation

10. The term symbiosis is associated with which group of the following groups? AlgaeLichens FungiMosses

11. A list of organisms through which energy is transferred, usually beginning with a green plant, is known as a … Food webNiche Food chain Pyramid of numbers

12. Most of the world’s population is undernourished. The reason for this is … Not enough food produced Fertilisers too expensive Food not fit to be eaten by humans Distribution of food is uneven

13. Which of the following terms means the struggle between organisms for a limited resource? ConcealmentInterdependence CompetitionNone of these

14. The term acid rain refers to rain that is very acidic. It usually has a pH of … or less. 5.54.5 6.53.5

15. Gases in the atmosphere allow light energy from the sun to enter but prevent heat energy from escaping, resulting in a rise in atmospheric temperature. This is known as … Greenhouse gasses The greenhouse effect Climate changeNone of these

16. The reliance of organisms of different species on each other for an essential resource, and the ways in which they depend on each other for survival is known as … Intraspecific competition Interspecific competition InteroceptorsInterdependence

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