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

CONCEALING COLORATION Polar bears and snow…. Snow hides the polar bear

OTHER WAYS TO CONCEAL… Artic hare change fur color as the seasons change Chameleon changes color according to environment

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

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

PEPPERED MOTHS OF ENGLAND

DISRUPTIVE COLORATION Color breaks up surrounding Distracts the eye from the animal outline Leopard in the jungle Tiger on the hunt

IS IT ONE BIG ANIMAL???

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

MIMICRY--COPYCATS By disguise---look like other animals Hawk Moth---makes itself look like a snake

MIMICRY The Indonesian Mimic Octopus

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

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

WHICH ONE IS POISONOUS?

WARNING COLORATION Pipevine Swallowtail Caterpillar Box Jellyfish Poison Dart Frog Cuttlefish