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ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…

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Presentation on theme: "ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…"— Presentation transcript:

1 ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…

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 Before Industrial Revolution white moth was favorable black moths did not blend in (mutant) During the I.R. the lichens are killed off trees >>being the black moth was now better! Yummy 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

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13 MIMICRY The Indonesian Mimic Octopus http://www.youtube.com/watch?v=H8oQBYw6xxc

14 COUNTERSHADING Dorsal (upper) side is darker than the ventral (lower) side

15 ADVERTISING Monarch taste bad to birds Blue jay spitting out Monarch butterfly Visceroy looks like Monarch and does not get eaten

16 WHICH ONE IS POISONOUS?

17 WARNING COLORATION Pipevine Swallowtail Caterpillar Box Jellyfish Poison Dart Frog Cuttlefish


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