1. Ecology Chapter 2
Welcome to Jeopardy

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

3. What are the main protective strategies do prey use to hide/get away from predators?

4. Two blue jays fighting over one female is an example of
A. Interspecific Competition
B. Intraspecific Competition
C. Symbiotic Relationship
D. Mutualism

5. What three topics do ecologists use energy pyramids to represent?

6. An ecologists counted 62 dandelions in a 7x7 square
An ecologists counted 62 dandelions in a 7x7 square. How many dandelions would be in a 127 square foot area?

7. What type of metabolism releases energy to create smaller molecules?

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

9. What type of organism returns nutrients to an ecosystem?

10. A group of squirrels harvesting acorns from trees is an example of what level of organization?

11. Mark and recapture is used for what kind of organisms?

12. __________is the ultimate energy source driving the biogeochemical cycles.

13. As you drive several kilometers, you notice that every third fence post as a male redwing blackbird on it defending its nesting territory. What kind of dispersion pattern is this an example of?

14. What does the second law of thermodynamics state?

15. An organism that uses hydrogen sulfide as a source of energy is categorized as which of the following?
A. photoautotroph
B. heteroautotroph
C. chemoautotroph
D. thermoautotroph

16. The death by bubonic plague killed about one third of Europe’s population during the fourteenth century. This is an example of….
Density Independent Factor
Density Dependent Factor
Carrying Capacity
Abiotic Factors limiting population growth.

17. Looking at the food web, what type of organism can the birds be classified as?

18. What is Entropy?

19. 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

20. What is the difference between a habitat and a niche?

21. What is each step in a food chain called?

22. What three components make up ATP?

23. 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

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

25. If the sunlight was emitting 3,567,322 J of energy
If the sunlight was emitting 3,567,322 J of energy. How much energy would there be by the time it reached the tertiary consumers?

26. In the energy pyramid shown below which level has the smallest number of organisms?

27. How long are food chains?
A. Four steps long
B. Three steps long
C. Varies with ecosystem
D. Varies with day length.

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

29. If you were to add seaweed, coral reef, sunlight, and algae in the picture below, what would we be describing?
A. Population
B. Community
C. Ecosystem
D. Organism

30. What do the arrows in the diagram represent?

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

32. The following is an example of what type of relationship?

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

34. How much of the energy is released when one species eats another?

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

36. 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

37. Double Jeopardy!!
Please grab a piece of paper, and write your group’s names at the top.
Discuss how many points you want to wager.

38. The Question….
Describe what would happen to the Mortality and Natality rates as the population density increased for both exponential and logistic growth.