School/Team Name: ________________________________________ ID: A1Polytechnic Science Olympiad Invitational Ecology TestPart I of III: Multiple ChoiceIdentify the choice that best completes the statement or answers the question.____ 1. Which of the following are biotic?I. DecomposersII. Energy flowIII. Producersa.I onlyb.II onlyc.III onlyd.I and IIIe.I, II and III____ 2. Which of the following is the approximate efficiency of the energy transfer as energy flows through the food chain?____ 3. A forest has a GPP of 3.8 kg C/m2/year and the rate of cellular respiration is 2.4 kg C/m2/year. What is the NPP?____ 4. How is the majority of energy within an ecosystem lost?
Name: ________________________ ID: A2Grassland food web____ 5. Use the grassland foodweb. Which of the organisms illustrated above would be considered autotrophs?a.Beetleb.Bacteriac.Grassd.Cheetahe.Giraffe____ 6. Use the grassland food web. Which of the organisms illustrated above would be considered primary consumers?____ 7. Use the grassland food web. Which of the organisms illustrated above would be the top predator?
Name: ________________________ ID: A3Figure 2____ 8. Use Figure 2. Looking at the ecological pyramid above, what would be the most likely number of joules to fill in X, Y and Z?____ 9. Use Figure 2. What type of organism would you expect to find on the lowest level of the pyramid above?a.Gazelleb.Lionc.Vultured.Giraffee.Grasses____ 10. What relatively recent development is greatly impacting the carbon cycle?____ 11. What is a possible result of an increased amount of CO2in the atmosphere?____
- Fall '19