Clasificación De Animales

I. All MAMMALS ARE ALIKE IN FIVE WAYS:
a. THEY MAKE MILK FOR THEI BABIES AND TAKE GOOD CARE OF THEIR YOUNG.
b. THEY HAVE AT LEAST SOME HAIR.
c. NO MAMMAL HAS MORE THANFOUR LIMBS. LIMBS ARE LEGS, ARMS, AND WINGS.
d. ALL MAMMALS ARE WARM-BLOODED. THIS MEANS THAT THEIR BODY TEMPERATURE STAYS JUST ABOUT THE SAME NO MATTER WHAT THE OUTSIDE TEMPERATURE IS.e. ALL MAMMALS HAVE LUNGS AND BREATHE AIR. THE WHALE MIGHT LOOK LIKE A FISH, BUT IT IS A MAMMAL. IT HAS LUNGS AND BREATHES AIR.
II. FISH ARE ALIKE IN THREE WAYS:
f. ALL FISH HAVEGILLS. GILLS HELP THEM TO BREATHE IN WATER.
g. ALL FISH HAVE FINS. THEIR TAIL FINS HELP THEM TO SWIM.
h. FISH ARE COLD-BLOODED. THIS MEANS THAT THEIR BODY TEMPERATURE CHANGESWHEN THE TEMPERATURE OF THE WATER CHANGES. THEY SLOW DOWN WHEN THE WATER BECOMES COLD. THEY MOVE FASTER WHEN THE WATER IS WARM.
III. ALL AMPHIBIANS ARE ALIKE IN FOUR WAYS:
i. THEAMPHIBIANS BREATHE WITH GILLS IN WATER WHEN THEY ARE BORN, AND SOME BREATHE WITH LUNGS ON LAND LATER.
j. ALL AMPHIBIANS HAVE SMOOTH, MOIST SKIN.
k. ALL AMPHIBIANS LAY EGGS.
l.ALL AMPHIBIANS ARE COLD-BLOODED.
IV. ALL REPTILES ARE ALIKE IN THREE WAYS:
m. ALL REPTILES BREATHE WITH LUNGS.
n. ALL REPTILES ARE COVERED WITH DRY SCALES.
o. ALLREPTILES ARE COLD-BLOODED.
V. ALL BIRDS ARE ALIKE IN FIVE WAYS:
p. ALL BIRDS HAVE FEATHERS.
q. ALL BIRDS HAVE WINGS.
r. ALL BIRDS HAVE TWO LEGS.
s. ALL BIRDS BREATHEWITH LUNGS.
t. ALL BIRDS HAVE BILLS OR BEAKS.
VI. ALL INVERTEBRATES ARE ALIKE IN FIVE WAYS:
u. THEY HAVE NO BACKBONE.
v. THEY USUALLY HAVE WEAK MUSCLES.
w. THEYUSUALLY ARE SMALL ANIMALS WITH SOFT BODIES.
x. IF THEY DO HAVE SKELETONS, THE SKELETONS ARE ON THE OUTISDE OF THEIR BODIES FOR STRENGTH AND PROTECTION.
y. THEY ARE COLD-BLOODED.