2. WATER ANIMALS PHISICS CHARACTERISTICS
• ALL AQUATIC ANIMALS ARE NOT EQUAL. ANIMALS HAVE SIMILAR AND DIFFERENT
CHARACTERISTICS.
• WE WILL OBSERVE EXAMPLES OF ANIMALS LIVING IN WATER AND WE WILL NOTICE PHYSICAL
DIFFERENCES BETWEEN THEM.
• AQUATIC ANIMALS VARY WIDELY, BUT GENERALLY SHARE THE ABILITY TO SWIM/MOVE
QUICKLY UNDERWATER, AND ARE OFTEN UNABLE TO LEAVE THE WATER FOR EXTENDED
PERIODS.
• ASIDE FROM THESE BASIC CHARACTERISTICS, WATER ANIMALS VERY WIDELY. MAMMALS LIKE
SEALS AND WHALES NEED TO BREATH AIR FROM THE SURFACE TO SURVIVE, SOME NON-
MAMMALS HAVE SCALES WHILE OTHERS HAVE SHELLS, SOME SWIM USING FINS AND TAILS
WHILE A FEW USE WATER JETS (LIKE THE NAUTILUS). THERE IS AMAZING VARIETY IN THE
WORLD’S OCEANS AND LAKES, EVEN PONDS AND PUDDLES.
3. THE STAR FISH.
HAS A STRONG
CAPITAL TO
PROTECT FROM
PREDATORS.
IT HAS FIVE ARMS.
IT IS COVERED
WITH TOUGH SKIN
AND SHARP,
CALCAREOUS
SPINES.
6. picture Name´s animal Similar
characteristics
differences
starfish ability to swim/move
quickly underwater
HAS A STRONG
CAPITAL TO
PROTECT FROM
PREDATORS.
It has five arms. It is
covered with tough
skin and sharp,
calcareous spines.
Sea cucumber They are often
unable to leave the
water for extended
periods.
THE SEA CUCUMBER
HAS A CYLINDER
BODY, HAS NO FINS,
OR TAIL
fish
FISH ARE BODY
COVERED WITH
SCAPS, FINS AND
TAILS