Biology 28 3 insects
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Biology 28 3 insects

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Biology 28 3 insects Presentation Transcript

  • 1. 28-3 Insects
  • 2. Incomplete metamorphosis
    Type of insect development characterized by a similar appearance throughout all stages of the life cycle.
  • 3. Nymph
    Immature form that lacks functional sex organs and other adult structures.
  • 4. Complete metamorphosis
    Type of insect development in which the larvae look and act nothing like their parents and also feed completely different ways.
  • 5. Pupa
    Stage of metamorphosis in which an insect changes from a larva into an adult.
  • 6. Pheromone
    Specific chemical messenger that affects the behavior or development of other individuals of the same species
  • 7. society
    Group of closely related animals of the same species that work together for the benefit of the group
  • 8. caste
    Group of individual insects specialized to perform particular tasks, or roles.
  • 9. Key concept
    Insects have a body divided into three parts- head, thorax, and abdomen. Three pairs of legs are attached to the thorax.
  • 10. Key Concept
    The growth and development of insects usually involve metamorphosis, which is a process of changing shape and form. Insects undergo either incomplete metamorphosis or complete metamorphosis.
  • 11. Key Concept
    Ants, bees, termites, and some of their relatives form complex associations called societies.