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

Dec 18, 2015

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Marjorie Greer
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Page 1: ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…

ONE WAY ORGANISMS MAY ADAPT TO

DEMANDS FROM THE ENVIRONMENT…

camouflage

Page 2: ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…

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

Page 3: ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…

CONCEALING COLORATION

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

Page 4: ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…

OTHER WAYS TO CONCEAL…

• Artic hare change fur color as the seasons change• Chameleon

changes color according to environment

Page 5: ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…

TO CONCEAL, THE ANIMAL HAS TO BE IN THE CORRECT ENVIRONMENT

Page 6: ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…

PEPPERED MOTHS OF ENGLAND

Before Industrial Revolutionwhite moth was favorable

black moths did not blend in(mutant)

During the I.R. thelichens are killed off trees>>being the black moth was now better!

Yummy

Allele frequency changes over time

Page 7: ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…

PEPPERED MOTHS OF ENGLAND

• http://www.youtube.com/watch?v=LyRA807djLc

Page 8: ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…

DISRUPTIVE COLORATION

• Color breaks up surrounding•Distracts the eye from the animal outline

• Leopard in the jungle • Tiger on the hunt

Page 9: ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…

IS IT ONE BIG ANIMAL???

Page 10: ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…

WHERE IS THE HEAD? HOW MANY EYES DOES IT HAVE?

Page 11: ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…

MIMICRY--COPYCATS

• By disguise---look like other animals

Hawk Moth---makes itself look like a snake

Page 12: ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…
Page 13: ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…

MIMICRY

• The Indonesian Mimic Octopus

• http://www.youtube.com/watch?v=H8oQBYw6xxc

Page 14: ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…

COUNTERSHADING

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

Page 15: ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…

ADVERTISING•Monarch taste bad to birds

Blue jay spitting out Monarch butterfly

•Visceroy looks like Monarch and does not get eaten

Page 16: ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…

WHICH ONE IS POISONOUS?

Page 17: ONE WAY ORGANISMS MAY ADAPT TO DEMANDS FROM THE ENVIRONMENT…

WARNING COLORATIONPipevine Swallowtail Caterpillar

Box Jellyfish

Poison Dart Frog

Cuttlefish