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Questions What is the difference between an autotroph and a heterotroph Answer Autotrophs use energy to make their own food. Heterotrophs eat other organism for food. Questions From the list below, name all the abiotic factors: Air Flowers Water Soil Gravel Worms Wind Temperature Frog Fungi Energy Tornado Fire Snail Gold Wool Hair Clouds Answer Air Water Soil Gravel Wind Temperature Energy Tornado Fire Gold Clouds Questions The variety of living things in an ecosystem is called _________. Answer Biodiversity Questions Name one omnivore in this food web. Answer Mallard Vole Rat Mouse Sparrow Questions Label each level of organization 1 2 3 4 Answer 1. Organism 2. Population 3. Community 4. Ecosystem Questions 1. What are the two processes producers use to make their own food? 2. What kind energy does it one use? 3. Which one is used by most autotrophs? Answer 1. Photosynthesis & Chemosynthesis 2. Sunlight & Chemical 3. Sunlight Questions Which type of pyramid used by ecologist is illustrated below? Answer Energy Pyramid Question How much energy is passed on to each trophic level? Answer 10% Questions In a fourth-level energy pyramid, if the first level contains 500 calories of energy, the third level will contain approximately ______ calories. Answer 5 Questions What are the five different types of Heterotroph? Answer Herbivores Carnivores Omnivores Detritivores Decomposers Questions In the following food chain, which is the 2nd Consumer? Answer Small fish Questions What is the difference between habitat and niche? Answer Habitat is the place a plant or animal lives Niche is an organism’s role in its habitat Questions What is a trophic level? Answer Each step in the transfer of energy and matter within a food web is called a trophic level. Questions What organisms make up the first trophic level in a food web? Answer Producers Questions How many trophic levels? Answer 4 3 2 1 Questions What is the term for an organism that has an unusually large effect on its ecosystem? Answer Keystone Species Bonus: 1 pt What is one example of these type of organism? Examples: Beavers, alligators, Gopher Tortoises Questions Label each step in the following food chain. 1 3 2 6 Answer 1. producer 2. 1st Consumer 3. 2nd Consumer 4. 3rd Consumer Questions What show the flow of energy in a food web? Answer Arrows Questions Put the following levels of organization from smallest to largest. Population Biome Community Organism Ecosystem Answer Organism Population Community Ecosystem Biome Questions What is another name for a consumer? What is another name for a producer? Answer Consumer Heterotroph Producer Autotroph Questions What are two examples of autotrophs? Answer Plants, algae Questions What is the difference between detritivores and decomposers? Answer Detritivores Feed On Dead Plant & Animal Remains Decomposers: break down organic material into simple compounds Questions A consumers that primarily eat one specific organism or a very small number of organisms is called __________. Answer Specialist Questions What is the original source of almost all energy in most ecosystems? Answer Sunlight Questions How might the stability of an ecosystem be affected if all of the decomposes were suddenly removed? Answer The stability of the ecosystem would be negatively affected because without decomposers, vital nutrients would not be returned to the environment