2. Name that Ecosystem!!! Welcome to….

3. 4pt question Cougars are predators that often eat weakened or diseased animals. This is a description of the ____ of cougars. Niche

4. 6 pt question Within a food chain, suppose 10, 000 units of energy are available at the level of the grasses. What is the total number of energy units available by the time energy reaches a 3 rd level consumer like a coyote? 10

5. 2 pt question A ___________ is the part of the Earth that supports life. biosphere

6. 4 pt question Temperature, soil, water and sunlight are examples of _____________ factors. abiotic

7. 2 pt question A biologist is searching for a new plant-based antibiotic. In which of the following types of ecosystems would the biologist have the best chance of finding new kinds of plants to use in her research? Tropical Rain Forest

8. 6 pt question Organisms with overlapping niches probably have which type of relationship? a.commensalc.mutualistic b.competitived.parasitic competitive

9. 2 pt question What is the main source of phosphorous in an ecosystem? Rocks, soil

10. 2 pt question What is “soil type” to an earthworm? a.abiotic factor c.biotic factor b.biome d.carbon source Abiotic factor

11. 4 pt question Determine the relationship: A tick becomes lodged on the skin of a hiker. parasitism

12. 10 pt question Name a producer, primary consumer, predator and a scavenger from the Lion King Grass/trees, antelope/zebra, lion, hyena

13. 6 pt question What species is most likely to be the pioneer species during primary succession? Lichen

14. 4 pt question Trees cannot root in tundra biomes because of the existence of ________________. Permafrost

15. 4 pt question Which biome would you find a rhinoceros living in? Savanna/ Grassland

16. 2 pt question What is a waste product of the photosynthesis process? Oxygen

17. 6 pt question What is the easiest way to diagram predatory and parasitic relationships between several species? Food Web

18. 6 pt question As the number of cheetahs drops, the number of gazelles increases. This is an example of a ____________ ____________ limiting factor. Density dependent

19. 10 pt question Name 3 density-dependent factors. Disease, competition, parasites, predation, mate availability

20. 4 pt question According to Ecologists, All of the coniferous forests in Canada represent which level of organization? Biome/Ecosystem

21. 6 pt question In what process do bacteria take nitrogen from the air and convert it to a form usable by plants? Nitrogen fixation

22. 4 pt question Which biome always has locations between the Tropic of Cancer and the Tropic of Capricorn? Tropical rain forest

23. 4 pt question Which biogeochemical cycle is least dependent on biotic processes? a.carbonc.phosphorus b.nitrogend. water Water

24. 6 pt question Where is the greatest percentage of Earth’s freshwater? (think hard) Glaciers

25. 6 pt question Which of the following allows the flow of energy through an ecosystem to happen? a.abiotic factors c. evaporation b.cycling of nutrientsd. predation Predation

26. 4 pt question One of the nutrient cycles moves from an atmospheric gaseous form to the soil through both abiotic and biotic processes, moves through the food web, then is returned to the soil or to the atmosphere. Which cycle fits this description? Nitrogen

27. 2 pt question What abiotic component is already in place at the beginning of secondary succession? Soil

28. 4 pt question The number of species in an area is a measure of _________________ Biodiversity

29. 10 pt question What are the 3 characteristics of populations that Ecologists study? Population Density, Population distribution and Growth Rate

30. 4 pt question A flowering plant has seeds that are carried by the wind. Infer the most likely dispersion pattern of the plants that grow from these seeds. Random

31. 10 pt question What are 3 sources of carbon that is released into the atmosphere Fossil fuels, respiration, decomposition

32. 4 pt question What is the name given to decaying organic matter? Detritus

33. 4 pts What is the dispersion pattern of herding animals, birds that flock together, and fish that form schools? Clumped

34. 10 pts List 3 ways a species may lose their habitat. Deforestation, pollution, fragmentation, logging, clearcutting, eutrophication, urban sprawl

35. 4pt question A fruit fly that has a short life span and produces many offspring can be classified into which reproductive strategy? R-strategist

36. 6 pts What does a horizontal line on a population graph represent? Carrying Capacity