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21 Cards in this Set
- Front
- Back
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Class Chilopoda
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centipedes / nocturnal /scurry about the surfaces of logs, rocks, and other forest-floor debris
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Chilopoda/Cenipedes body form
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lack waxy epicuticle / bodies are flattened in cross section / single pair of long legs on each of their 15 or more trunk segments
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Chilopoda predation?
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fast-moving predators / eat small arthropods, earthworms and snails / maxillipeds kill with poison
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Chilopoda locomotion?
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fast crawling
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Class Diplopoda
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millipedes " twofold foot"
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Diplopoda body form
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have 11 to 100 trunk segments / two pairs of appendages on each apparent trunk segment / round in cross section
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Diplopoda scavengers /herbivores
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they are
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Diplopoda locomotion
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roll into ball
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Class Insecta
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insects / bodies are divided into three tagmata, have 5 fpairs of head appendages, 3 pairs of legs on the thorax
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What is entomology
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study of insects
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How many tagmata do insects have?
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3 - head, thorax, abdomen
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Describe insect nutrition
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many variations on mouthparts of insects / labium - sensory lower lip and its palps are also used in food holding
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Describe insect gas exchange
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trachae open to the outside / large surface area / avoid water loss with chitin-lined tubes
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describe insect senses
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some learning and have a memory / sense organs like arthropods
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Describe insect reproduction
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high reproductive potential / many factors involved / spermatophore / pheromones
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What is Metamorphosis
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grow from egg to adult
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What is holometaboly?
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"whole" complete metamophosis / "butterfly" / immatures are called larvae because they are very different from the adult form, behavior, and habitat
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What is hemimetaboly?
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"half" gradual development / involves a species-specific number of molts between egg and adult stages, during which immatures gradually take on the adult form
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What is ametaboloy?
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"without change" direct development / egg - juvenile - adult / difference between adults and larvae are body size and sexual maturity
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Hemimetabolus Types
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Egg, various nympths, adults
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Holometabolous Types
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Egg, early larva, full-sized larva, pupa, adult
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