Meal Worm Lab Report

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Mealworm Lab Report Introduction: This experiment was all about mealworms, and what items a mealworm prefers to eat or drink. A mealworm is an arthropod. It grows into a beetle called the Darkling Beetle. Mealworms are really just the larval stage of a beetle’s life cycle. They average at about an inch long and have a hard brownish yellow exoskeleton. They are worm- like creatures that use their tough exoskeleton for burrowing into dirt and other terrains. It is said to be very difficult to determine the males from the females. Mealworms lay eggs that are white (http://insected.arizona.edu/mealinfo.htm). Mealworms in fact are not worms at all. They got the name “mealworm,” because people noticed that when around any kind of grain- like plant the mealworms would eat it. Other than grains, mealworms prefer to eat decayed items like dead plants and decomposed animals. They don’t require a body of water to drink from; this is because they retrieve all of their required amounts of fluids from the foods they eat. Mealworms would be considered prey rather than a predator. They are consumed by various animals such as a variety of birds, spiders, other beetles, rodents, and lizards. Some people from other countries will also consume these creatures (http://www.enchantedlearning.com/subjects/insects/beetles/mealworm/mealwormlifecycle.shtml). Purpose: This experiment is done to see which foods and liquids a mealworm likes. We also see what they are like, how they move around, and how fast some move compared to others. The food items that were tested were cornstarch, sand, flour, and baking soda. The liquid items that were tested consisted of water, orange juice, soda, and milk. Hypothesis: Mealworms prefer cornstarch, soda, and milk better than orange juice, sand, flour, baking soda, or water. They will like cornstarch better because it is a grain, and

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