Jeopardy Review Game Chapter 2 - Answers

Jeopardy Review Game Chapter 2 1. Which of the following best describes free energy? a) Heat energy b) Energy available for the organism to do work. c) Energy stored in ATP d) Chemical energy Answer: (b) Energy available for the organism to do work. 2. In what form do organisms store energy? Answer: Chemical Energy 3. What essential chemical elements are recycled? Answer: Nitrogen, Carbon, Water 4. Name all nine characteristics of organisms: Answer: Obtain matter & energy from the environment & release waste, Complex structural & chemical organization, Based on universal genetic code, Respond to environmental changes, Growth & development, Reproduce, Communicate, Move under own power, Made of cells Calculate the number of Kcal/g: 5. A biology student burned 0.5 g of a peanut in a “soup can” calorimeter and it raised the temperature of 200mL of water 10°C. How many Kcal of energy would this peanut contain per gram? Answer: 4 Kcal/g 6. The energy contained in food is converted to free energy by: Answer: Cellular Respiration 7. Explain the processes autotrophs carry out: Answer: Photosynthesis and Chemosynthesis 8. In terms of numbers of individuals, you would expect to find more a) Deer than mountain lions b) Mountain lions than shrew c) shrews than rabbits d) mice than insects Answer: (a) Deer than mountain lions 9. Decomposers complete the breakdown of ________________and return _______________to the soil or water, where they are available for reuse. Answer: Decomposers complete the breakdown of organic nutrients and return inorganic nutrients to the soil or water, where they are available for reuse. 10. What is the formula for Cellular Respiration? Answer: 𝐶6 𝐻12 𝑂6 + 𝑂2 → 𝐶𝑂2 + 𝐻2 𝑂 + 𝐸𝑁𝐸𝑅𝐺𝑌 11. What does the First Law of Thermodynamics state? Answer: Energy can’t be created or destroyed. 12. Which best describes the path that energy takes as it moves through a community? a) It is used up by organisms in food webs b) It is cycled and reused by organisms in food chains c) It is converted to matter by photosynthesis and stored as plant material d) It is converted to heat as it passes from one organism to the next Answer: (d) It is converted to heat as it passes from one organism to the next 13. The ashes left in a wood stove a) have more energy and more entropy than the wood they came from. b) have more energy, but less entropy, than the wood they came from. c) have less energy, but more entropy, than the wood they came from. d) have less energy and less entropy than the wood they came from. Answer: (c) have less energy, but more entropy, than the wood they came from. 14. How are free energy and entropy related? Answer: As free energy increases, entropy decreases. 15. One winter, seven sailors were shipwrecked on barren Arctic island with no vegetation. All they had to eat was a crate of dry cereal and a crate of 20 hens. To get the most calories from the limited food supply, they should: a) First eat the cornflakes then the chicken b) Feed the hens the dry cereal, then eat the hens. c) Feed the hens the dry cereal, then eat the eggs they lay. d) Eat the hens first then eat the cereal Answer: (d) Eat the hens first then eat the cereal 16. In an energy pyramid, the lowest level has: a) less energy than the top level b) less energy than the second level c) more energy than the top level d) the same amount of energy as the second level Answer: (c) more energy than the top level 17. What is this relationship? Hermit crabs live in shells made and abandoned by snails. Answer: Commensalism 18. What is another name for herbivores? Answer: Primary Consumer 19. A certain plant requires moisture, oxygen, carbon dioxide, light, and minerals in order to survive. This statement shows that a living organism depends on a) biotic factors b) abiotic factors c) symbiotic relationships d) carnivore-herbivore relationships Answer: Abiotic Factors 20. What is an Ecosystem and how is it different from a Biosphere and a Habitat? Answer: Ecosystems are interactions between plants, animals, and microorganisms and their environment. 21. What is true about abiotic factors? a) Light often limits the productivity of land ecosystems. b) Organisms do not act on the abiotic environment. c) Wind can change the structure and form of plants. d) The diversity of species is not affected by the abiotic environment. Answer: (c) Wind can change the structure and form of plants. 22. During carbon cycling, ____ removes carbon dioxide from the air. Answer: Photosynthesis (Plants) 23. What is the term for a growth pattern that is slowed as various factors limit reproduction? Answer: Logistic Growth 24. Identify each of the following: I. Fifteen fawns are born in a deer population last year. II. Twenty dandelion seeds blow in the air for two miles and begin to grow in the lawn. III. People are moving out of China to other areas less populated. IV. On average, 120 yeast died over the weekend. Answer: (I) Natality, (II) Immigration, (III) Emigration, (IV) Mortality 25. Fill in the blanks: Answer: