Merker Ppt

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Merker Ppt

  1. 1. The Life of a Butterfly
  2. 2. The cycle of stages is called metamorphosis <ul><li>Stage One- Egg </li></ul><ul><li>Butterfly and moth eggs are very small and round, oval or cylindrical. Many have ribs or other tiny features. Females lay their eggs on or near the plants that will later become caterpillar food. </li></ul>
  3. 3. <ul><li>Stage Two- Larva </li></ul><ul><li>The larva hatches from the egg. Butterfly and moth larvae are usually called caterpillars. Caterpillars spend most of their time eating. A caterpillar's exoskeleton can't stretch or grow, so the caterpillar sheds its skin, or molts, several times as it grows. </li></ul>
  4. 4. <ul><li>Stage Three- Pupa </li></ul><ul><li>When a caterpillar has finished growing, it forms a pupa. Every part of the caterpillar is changing at this time as it transforms into a butterfly. Butterfly pupae are called chrysalises. </li></ul>
  5. 5. <ul><li>Stage Four- Butterfly </li></ul><ul><li>When the pupa has finished changing, it molts one last time and emerges as a butterfly or moth. It emerges with its wings folded up against its body. The butterfly or moth pumps blood into the wings to expand them. This is the stage when butterflies and moths mate and reproduce. </li></ul>

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