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One way organisms may adapt to demands from the environment…

One way organisms may adapt to demands from the environment…. camouflage. Camouflage. Camouflage allows organisms to survive and adapt to their environment Hide to escape Hunt without being seen Warning. Concealing coloration. Polar bears and snow…. Snow hides the polar bear.

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One way organisms may adapt to demands from the environment…

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  1. One way organisms may adapt to demands from the environment… camouflage

  2. Camouflage • Camouflage allows organisms to survive and adapt to their environment • Hide to escape • Hunt without being seen • Warning

  3. Concealing coloration • Polar bears and snow…. • Snow hides the polar bear

  4. Other ways to conceal… • Artic hare change fur color as the seasons change • Chameleon changes color according to environment

  5. To conceal, the animal has to be in the correct environment

  6. Peppered moths of England Yummy black moths did not blend in (mutant) During the I.R. the lichens are killed off trees >>being the black moth was now better! Before Industrial Revolution white moth was favorable Allele frequency changes over time

  7. Peppered Moths of England • http://www.youtube.com/watch?v=LyRA807djLc

  8. Disruptive coloration • Color breaks up surrounding • Distracts the eye from the animal outline • Leopard in the jungle • Tiger on the hunt

  9. Is it one big animal???

  10. Where is the head? How many eyes does it have?

  11. Mimicry--Copycats • By disguise---look like other animals Hawk Moth---makes itself look like a snake

  12. Mimicry • The Indonesian Mimic Octopus • http://www.youtube.com/watch?v=H8oQBYw6xxc

  13. Countershading • Dorsal (upper) side is darker than the ventral (lower) side

  14. Blue jay spitting out Monarch butterfly advertising • Monarch taste bad to birds • Visceroy looks like • Monarch and does not get eaten

  15. Which one is poisonous?

  16. Warning Coloration Poison Dart Frog Pipevine Swallowtail Caterpillar Box Jellyfish Cuttlefish

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