Post on 24-Feb-2016
description
Movement and
Locomotion
By Mrs Sandy Gomez
What is locomotion?
Wha
t is l
ocom
otio
n?
Is the act of self-propulsion Is the hallmark of animalsIndispensable for animal survival
Requ
irem
ents
for
Loco
mot
ion Energy
Overcome 2 forces:Friction Gravity
Energy consumption varies according to the
medium
Ener
gy R
equi
rem
ents
fo
r Loc
omot
ion
Form
s of
Loco
mot
ion
Form
s of
Loco
mot
ion SwimmingWalking
FlyingCrawling
RunningHopping
Loco
mot
ion
in
Wat
er
Most animals are reasonably buoyant, gravity is no problemWater is denser than
air, friction is a major problem
Animals develop adaptations
Adap
tatio
ns fo
r Lo
com
otio
n in
Wat
er
Torpedo-like shape
Adap
tatio
ns fo
r Lo
com
otio
n in
Wat
er
Using legs as oars
Adap
tatio
ns fo
r Lo
com
otio
n in
Wat
er
Moving body from side to
side or up and down
Loco
mot
ion
in
Land
Bodies must support itselfStrong skeletonsPowerful musclesResist gravityLow friction (air resistance)Maintain balance Walk, run, hop. Crawl, etc.
Adap
tatio
ns fo
r Lo
com
otio
n on
Lan
d
Animals that hop
Adap
tatio
ns fo
r Lo
com
otio
n on
Lan
d
Animals that walk or run
Adap
tatio
ns fo
r Lo
com
otio
n on
Lan
d
Animals that crawl
Adap
tatio
ns fo
r Lo
com
otio
n on
Lan
d
Animals that fly
Impo
rtant
Qu
estio
ns 1. What is locomotion?
2. Why is locomotion indispensable
for animal survival?3. How does the strength of friction
and gravity vary in the mediums
that animals live in?4. How does energy consumption vary
in the mediums in which animals
move?5. List 2 examples of animals that use
each type of locomotion?
6. How do animals keep their balance
when moving?7. What are adaptations present in
animals that swim?8. What are some adaptations present
in animals that move on land?
9. What are some adaptations present
in animals that fly?