3A-100ANSWER: Depletion of potentially renewable resources to which people have free and unmanaged access.QUESTION: What is the Tragedy of the Commons?
4A-200ANSWER: The increase in concentration of a chemical in organisms at successively higher tropic levels of a food chain or webQUESTION: What is biomagnification?
5A-300ANSWER: The median lethal dose of a toxic material per unit of body weight of test animals that kills half the test population.QUESTION: What is LD50?
6A-400ANSWER: Energy can be converted from one form to another, but it cannot be created or destroyedQUESTION: What is the First Law of Thermodynamics?
7A-500ANSWER: When there is uncertainty about the potential harm from chemicals, technology or decisions, people making decisions should act to prevent the harm from occurring.QUESTION: What is the Precautionary Principle?
8B-100ANSWER: Process in which water vapor cools and condenses into liquid or solid form.QUESTION: What is condensation?
9B-200ANSWER: A biotic process that removes carbon from the atmosphere.QUESTION: What is photosynthesis?
10B-300ANSWER: The process in which soil bacteria convert N2 from the atmosphere into ammonia, from a form plants cannot use to a form plants can use.QUESTION: What is nitrogen fixation?
11B-400ANSWER: This cycle shows how its element moves through plants, soil, water and rocks, but not through the atmosphere.QUESTION: What is the phosphorus cycle?
12B-500ANSWER: This cycle shows how its element naturally enters the atmosphere through volcanic action, fires, dust storms and from algae activity.QUESTION: What is the sulfur cycle?
13C-100 ANSWER: Feeding levels of organisms within a food chain or web QUESTION: What are trophic levels?
14C-200ANSWER: Herbivores, Carnivores, Omnivores, Scavengers, DetrivoresQUESTION: What are the different types of consumers in food chains?
15C-300ANSWER: The single factor that limits or restricts the growth, abundance or distribution of a species.QUESTION: What is a limiting factor?
16C-400ANSWER: About 10% of the energy from one trophic level is available to the next (the rest is lost to the environment as heat).QUESTION: What is the 10% rule?
17C-500ANSWER: Gross primary productivity (GPP) less energy used in respiration (R); a measure of how fast producers can provide the food needed by consumers in an ecosystem.QUESTION: What is Net Primary Productivity (NPP)?
18D-100 ANSWER: The role a species has in an ecosystem. QUESTION: What is a niche?
19D-200ANSWER: A species considered essential to the well-being of an ecosystem, one that affects many other organisms in the ecosystem.QUESTION: What is a keystone species?
20D-300ANSWER: MutualismQUESTION: What is a species interaction in which both members benefit?
21D-400 ANSWER: 4 examples of species’ defense mechanisms QUESTION: What are Mimicry, Camouflage, Chemical Warfare and Warning Coloration (others possible)?
22D-500ANSWER: The gradual establishment of biotic communities on nearly lifeless/soil-less ground.QUESTION: What is primary succession?
23E-100ANSWER: It is found in both arctic latitudes as well as high elevations.QUESTION: Where is the Tundra biome located?
24E-200 ANSWER: Its 2 major subtypes include prairies and savannahs QUESTION: What are the subtypes of the Grasslands biome?
25E-300 ANSWER: It is characterized by conifers and is often cold. QUESTION: What are major features of the Coniferous Forest biome?
26E-400ANSWER: It is a temperate shrubland of low precipitation, subject to fires.QUESTION: What is the Chaparral biome?
27E-500ANSWER: It is coastal, cool, rainy, and has many evergreens that create a dense canopy.QUESTION: What is the Temperate Rainforest biome like?
28FINAL JEOPARDYANSWER: Glucose is broken down to supply energy for cellular processes.QUESTION: What is cellular respiration?