Metamorphosis
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Metamorphosis. “A developmental process that leads to dramatic changes in shape and form.” p. 823. Complete Metamorphosis. Insects, such as butterflies and ladybugs undergo complete metamorphosis (gross). There are 3 distinct stages of complete metamorphosis (not counting the egg stage). .

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Metamorphosis

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Metamorphosis

“A developmental process that leads to dramatic changes in shape and form.” p. 823


Complete Metamorphosis

  • Insects, such as butterflies and ladybugs undergo complete metamorphosis (gross).

  • There are 3 distinct stages of complete metamorphosis (not counting the egg stage).


Complete Metamorphosis (cont’d)E.L.P.A

  • (egg)

  • Stage 1: Larva

  • *looks nothing like the adult insect

  • Stage 2: Pupa

  • *looks closer to the adult but still not there

  • Stage 3: Adult

    • We don’t need to see that again…


Incomplete Metamorphosis

  • Grasshoppers and Praying Mantids (for example)

  • Only 2 distinct stages (besides egg)


Incomplete Metamorphosis (cont’d) E.N.A.

  • (egg)

  • Stage 1: Nymph

  • *Looks like a miniature adult but lacks functional sex organs and some adult structures like wings

  • Stage 2: Adult

  • *


Complete or Incomplete???


Complete or Incomplete???


Complete or Incomplete???


Complete or Incomplete???


Complete or Incomplete???


Molting 

  • During certain times of the life cycle, insects will molt their exoskeleton in order to accommodate more growth!

  • http://www.youtube.com/watch?v=Bw1MFdlmWyA


Similarities and Differences?

  • What is the same about the two metamorphoses?

  • Differences?

  • How can YOU remember which is which???


  • Images from google.com search engine


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