The nymph grows through stages called instars, shedding its 'skin' ( epicuticle) at each stage ( ecdysis). Most of the time, the nymph looks similar to the adult, but it is smaller, may have different colouration, and does not have wings. When the egg hatches, a larva or nymph comes out. These insects start as eggs, which are usually very small. Insects who go through simple (or incomplete) metamorphosis have three life stages. Simple metamorphosis or hemimetabolism, and complete metamorphosis or holometabolism. There are two main types of metamorphosis in insects: University of Kentucky, Butterflies: Florida Museum of Natural History (PDF) - Detailed Guide with information focusing on butterflies.įlorida Museum of Natural History, stages of development, from newly hatched nymph to fully winged adult. Great resource for piquing student interest and prompting discussion.Įntomology for Kids and Teachers: University of Kentucky (website) - Online educator source for insect-related information, resources and activities appropriate for students at many levels. NeoK12, General Facts about Insects and Bugs: Scholastic (website) - Zoo biologists provide answers to common questions about insects and bugs. Kansas Biological Survey, Metamorphosis: NeoK12 (website) - Teacher-vetted videos showing examples of complete and incomplete metamorphosis. Monarch Watch: Kansas Biological Survey (website) - Mulitple resources on raising and observing Monarch butterflies. Related Math TEKSĥ.14A The student is expected to identify the mathematics in everyday situations.ĥ.14B The student is expected to solve problems that incorporate understanding the problem, making a plan, carrying out the plan, and evaluating the solution for reasonableness.ĥ.14C The student is expected to elect or develop an appropriate problem-solving plan or strategy, including drawing a picture, looking for a pattern, systematic guessing and checking, acting it out, making a table, working a simpler problem, or working backwards to solve a problem.ĥ.14D The student is expected to use tools such as real objects, manipulatives, and technology to solve problems.ĥ.15A The student is expected to explain and record observations using objects, words, pictures, numbers, and technology. The student is expected to differentiate between inherited traits of plants and animals such as spines on a cactus or shape of a beak and learned behaviors such as an animal learning tricks or a child riding a bicycle. (5.10B) Inherited Traits and Learned Behaviors The student is expected to compare the structures and functions of different species that help them live and survive such as hooves on prairie animals or webbed feet in aquatic animals. (5.10A) Adaptations in Plants and Animals Iowa State University, Related Science TEKS They care for mealworms and observe and document their lifecycle. Life Cycles: Iowa State University (website) - Students learn to describe the differences between the life cycles of four types of insects: mealworm/beetle, butterflies and moths, crickets, silverfish. Non-insects, such as spiders, are also included. The Children’s Butterfly Site, About Bug Life Cycles: Bug Life Cycles (website) - Large collection of photos, organized by species, which illustrates different insect life cycle stages. Utah Education Network, Life Cycle of Butterflies and Moths: The Children’s Butterfly Site (website) - Photos and descriptions of the four distinct stages in the life cycle of an insect. Insects, Metamorphosis: Utah Education Network (website) - Helpful definitions of complete and incomplete metamorphosis, with links to information about the life stages of numerous insects, including such as crickets, fleas and wasps. The student knows that organisms undergo similar life processes and have structures that help them survive within their environments. The student is expected to describe the differences between complete and incomplete metamorphosis of insects. Incomplete Metamorphosis Supporting TEKS Objective
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