Stimuli
even single celled
Organisms are more
likely to
Survive if they can respond to organisms can respond
to simple Stimuli
changes in environment
leg . more towards
↳ can be
changes certain chemicals)
in both internal
external environment
in the environment is stimulus
Any change a
Simple responses can be tactic (taxis) or Kinetic /Kinesis)
-
V
S E
directional non-directional
movement movement
(direction of stimulus (random movement .
impacts response) moves fast when
in place the
:
-
:
doesn't
-
organism
-
-
·
-
... -
↑
want' to bet
-
->
more/less in
eg . Some
species of moves
bacteria more towards response to a stimulus
certain chemicals
↑ TXx
(chemotaxis) -
.......
D
-
...
↓
It ↓
bacteria
.
eg can
more
quickly in
random directions when
too hot in search for
Stimuli are
,
a cooler area
detected by receptors
even single celled
Organisms are more
likely to
Survive if they can respond to organisms can respond
to simple Stimuli
changes in environment
leg . more towards
↳ can be
changes certain chemicals)
in both internal
external environment
in the environment is stimulus
Any change a
Simple responses can be tactic (taxis) or Kinetic /Kinesis)
-
V
S E
directional non-directional
movement movement
(direction of stimulus (random movement .
impacts response) moves fast when
in place the
:
-
:
doesn't
-
organism
-
-
·
-
... -
↑
want' to bet
-
->
more/less in
eg . Some
species of moves
bacteria more towards response to a stimulus
certain chemicals
↑ TXx
(chemotaxis) -
.......
D
-
...
↓
It ↓
bacteria
.
eg can
more
quickly in
random directions when
too hot in search for
Stimuli are
,
a cooler area
detected by receptors
