Page 117 - Science Course 3 (Book 1)

Mo3-L2b: How Do Living Organisms Adapt?

Camouflage and mimicry are adaptations that help SUMMARY
species avoid being eaten.
How Do Living Organisms Adapt?
Adaptations occur when a beneficial variation
Camouflage is an is eventually inherited by all members of a
adaptation that population.
enables a species
to blend in with
its environment.

The resemblance of one species to another species
is mimicry.

Monarch Butterfly Viceroy Butterfly
(poisonous) (non-poisonous)

Artificial Selection

The breeding of organisms for desired characteris-
tics is called selective breeding.

Darwin realized that changes caused by selective
breeding were much like changes caused by natural
selection.

Bulldog
Big and Strong but + Fast and aggressive
Mastiff
lacked aggression but lacked strength

Bullmastiff
Big, Strong, fast, and
aggressive.
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