1. Ecology Chapter 2
Welcome to Jeopardy

2. All deserts are an example of
A. Biome
B. Biosphere
C. Ecosystem
D. Community

3. The statement, “the cowbird can tolerate a wide range of temperatures,” characterizes the cowbird’s ________.
A. Habitat
B. Community
C. population
D. Niche

4. Burning fossil fuels has rapidly released long-term reserves of the ________________ cycle.
A. Water
B. Nitrogen
C. Phosphorous
D. Carbon

5. Bears are an example of ________.
A. Omnivores
B. Detrivores
C. Carnivores
D. Autotrophs

6. What type of organism returns nutrients to an ecosystem?
A. decomposer
B. primary producer
C. secondary producer
D. top level consumer

7. __________is the ultimate energy source driving the biogeochemical cycles.
A. Carbon
B. Nitrogen
C. Sunlight
D. Water

8. The following picture best represents a
A. Predation
B. Commensalism
C. Mutualism
D. Parasitism

9. In what type of activity would you most expect an ecologist to be involved?
identifying and classifying various species of insects in an ecosystem
locating fossils of distinct species of turtles in a geographical area
observing the relationships that woodpeckers have with other species in their environment
studying the internal organs of a seal to learn how it survives in its environment

10. Which of the following is a biotic factor?
A. Algae in the water
B. Temperature of the air
C. Density of the air
D. Amount of sunlight

11. Each step in a food chain is called…
A. Trophic Level
B. Energy Transformation
C. Energy Pyramid
D. Food Web

12. A bird fluffs its feathers to trap warm air close to its body
A bird fluffs its feathers to trap warm air close to its body. The temperature of the air next to the bird’s skin is a(n)
A. Abiotic Factor
B. Biotic Factor
C. Niche
D. Homeostasis Factor

13. Which type of organism exists at all trophic levels except the first trophic level?
A. carnivores
B. herbivores
C. autotrophs
D. heterotrophs

14. In the energy pyramid shown below which level has the smallest number of organisms?
A. Mice
B. Grass
C. Snake
D. Cannot determine

15. Which biogeochemical cycle involves evaporation, transpiration, precipitation and runoff?
A. carbon cycle
B. nitrogen cycle
C. phosphorus cycle
D. water cycle

16. Animals can be all of the following except…
A. Omnivores
B. Heterotrophs
C. Carnivores
D. Autotrophs

17. The following picture represents
A. Population
B. Community
C. Ecosystem
D. Organism

18. Water, carbon, and nitrogen are released back into the atmosphere during ____________________.
A. Decomposition
B. Nitrogen Fixation
C. Water Cycle
D. Mutualism

19. The arrows in the diagram represent…
A. Who eats who!
B. Heat transferred
C. Heat lost
D. Energy transferred

20. The following picture is an example of..
A. Community
B. Biosphere
C. Ecosystem
D. Population

21. Which process describes nitrogen fixation?
A. animals eat plants containing nitrogen and return it to the soil through urination
B. bacteria take nitrogen from the air and convert it to a form usable by plants
C. organisms die and are decomposed into ammonia in the soil
D. plants take nitrogen from the air and store it in their roots

22. The following is an example of
A. Parasitism
B. Predation
C. Commensalism
D. Mutualism

23. Some farmers use manure on their crop fields
Some farmers use manure on their crop fields. How does this help the plants?
A. protects them from intense sunlight
B. keeps insects from eating the crops
C. increases soil nitrogen and phosphorus levels
D. increases soil oxygen and carbon dioxide levels

24. Which process returns nitrogen to the food web?
A. decomposition
B. denitrification
C. nitrification
D. nitrogen fixation

25. Which species is a carnivore?
A. Flower
B. Caterpillar
C. Snake
D. Leaf

26. The species interaction most frequently represented in a food chain is
A. Mutualism
B. Commensalism
C. Predation
D. Symbiotic relationship

27. Which species is a detrivore?
A. Mushroom
B. Rain
C. Bear
D. Tree

28. How much of the energy is passed on when one species eats another?
B. 50%
C. 10%
D. 0%

29. This animal is considered
A. Detritivore
B. Omnivore
C. Autotroph
D. Carnivore

30. Which of the following is not a type of symbiotic relationship?
A. Predation
B. Mutualism
C. Parasitism
D. Commensalism

31. Which of the following is listed from the least complex to the the most complex interactions?
A. Population, Community, Biome, Ecosystem
B. Community, Biome, Ecosystem, Community
C. Ecosystem, Community, Biome, Biosphere
D. Population, Community, Ecosystem, Biosphere

32. Which of the following would be something a ecologist would study?
A. Measure the effect of algae on a goldfish population in Lake Erie
B. Study the internal structure of a venus fly trap
C. Study how a virus is transmitted
D. Measure the average temperature in the rainforest for the past 10 years.