Chapter 13
Locomotion
Locomotion
Ability to move from one place to another
z Increases the chances for survival of the
organism:
1. Find food and shelter
2. Escape from enemies
3. Find a mate
z Organisms that are not capable of
locomotion are said to be sessile
z
Adaptations
for
Locomotion
Algae
z Some
algae
move by
means of
flagella
Protozoan
The locomotive
structures
utilized by the
paramecium are
cilia
z Locomotion in
the ameba is by
pseudopods
z
Protozoan
The locomotive
structures
utilized by the
paramecium are
cilia
z Locomotion in
the ameba is by
pseudopods
z
Hydra
z
z
Is sessile
But the presence of contractile fibers permits
some motion, including a type of
somersaulting