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Biology EOC Review

Chapter 8 & 9 – Photosynthesis and Cellular Respiration pg 9 53. What is the formula for photosynthesis? 54. What are the reactants and products?   Reactants:   Products:   CO2 + H2O + Energy → C6H12O6 + O2 Carbon dioxide + water + sunlight → glucose + oxygen carbon dioxide, water glucose, oxygen

energy, carbon dioxide, water 55. Write the formula for cellular respiration: 56. What are the reactants and what are the products of cellular respiration? Reactants: Products: C6H12O6 + O2 → CO2 + H2O + Energy glucose + oxygen → carbon dioxide + energy + water   glucose, oxygen energy, carbon dioxide, water

57. Cellular Respiration occurs in (Plants / Animals / Both)?  58. Photosynthesis occurs in (Plants / Animals / Both)?  59. Photosynthesis converts solar energy into chemical energy 60. Cellular respiration converts chemical energy (glucose) into different chemical energy (ATP) 61. What factors affect the rate of photosynthesis? light intensity, color of light, amount of water, temperature, amount of carbon dioxide

91. How does photosynthesis relate to energy getting into ecosystems 91. How does photosynthesis relate to energy getting into ecosystems? 92. What role do decomposers play in the environment? 93. What is a trophic level? Plants use photosynthesis to make their own food, other organisms then rely on plants for their food, other animals rely on those herbivores They break down matter so it can be recycled back into the environment Each level in a food chain or food web (producers, primary consumers, secondary consumers)  

sun Oak tree – blossoms, nuts, leaves 94. What is the ultimate source of energy for this food web? 95. What are the producers in this food web? 96. What are the primary consumers (herbivores) in this food web? 97. What are the secondary consumers in this food web? sun Oak tree – blossoms, nuts, leaves Bees, deer, mice, rabbit, insects Wolf, Bear, toad, birds, red fox, skunk

Most At the bottom  leaves 98. Create an energy pyramid from the food chain: leaves → insects → birds → red fox → bear 99. Where is the most energy in this pyramid? Where is the least energy? Most At the bottom  leaves Least At the top  bear

100. What happens to energy as it moves through the food chain/web? 101. Assume there are 10,000 kilocalories of energy in the leaves. Estimate the amount of energy in each of the other levels of the energy pyramid. It is lost as heat Only 10% of energy is available from the level before: Bear – 1 kilocalorie Red fox – 10 kilocalories Birds – 100 kilocalories Insects – 1,000 kilocalories Leaves – 10,000 kilocalories