A d a p tati on
a n d
E n vdepend
Adaptations i ron environmental
onment
conditions.
Changing environments can lead to:
N e w Migratio
a d a p t a t i o n
n s
Extinctio
n
Adaptations are not perfect forever. When environments
change due to climate change, volcanic eruptions, or human
activities, species must adapt, move, or risk extinction.
, Natural
Selection in
Action
Examples:
P e p p e r e d m o t h
Antibiotic-resistant
bacteria Pesticide-
r eNatural
s i s tselection
a n t ican
nsbeedirectly
c t s observed today. Bacteria
evolve resistance to antibiotics because resistant
individuals survive treatment and reproduce, making
resistance increasingly common.
a n d
E n vdepend
Adaptations i ron environmental
onment
conditions.
Changing environments can lead to:
N e w Migratio
a d a p t a t i o n
n s
Extinctio
n
Adaptations are not perfect forever. When environments
change due to climate change, volcanic eruptions, or human
activities, species must adapt, move, or risk extinction.
, Natural
Selection in
Action
Examples:
P e p p e r e d m o t h
Antibiotic-resistant
bacteria Pesticide-
r eNatural
s i s tselection
a n t ican
nsbeedirectly
c t s observed today. Bacteria
evolve resistance to antibiotics because resistant
individuals survive treatment and reproduce, making
resistance increasingly common.
