Ano ang kahulugan ng lipunan?:Paano makakamit at mapapanatili ang kabutihang panlahat? ESP 9 Lecture 1

Vertebrate Classifications

   mammals   reptiles   amphibians   birds   fish

Use the clues to identify the vertebrate group.
1.   ____________________________ These animals are warm-blooded.  They lay eggs and take
care of their young.
2. ____________________________ These animals are warm-blooded.  They have hair or fur on
their bodies.  Their young do not hatch from eggs.
3. ____________________________ These animals are cold-blooded.  They breathe with gills
when young, but they grow lungs when they become
adults.
4. ____________________________ These animals are cold-blooded.  They breathe with gills
throughout their lives.
5. ____________________________ These animals are cold-blooded.  They have dry, scaly skin.
and breathe air through lungs.

To which vertebrate group does each animal below belong?

6.  elephant  _______________________ 7.  salamander _______________________
8.  penguin  _______________________ 9.  shark   _______________________
10.  lizard  _______________________ 11.  alligator _______________________
12.  ostrich   _______________________ 13.  tree frog _______________________
14.  whale   _______________________ 15.  human _______________________

Tell whether each sentence is true or false.
16.  _______________________  All birds have feathers.
17.  _______________________  All mammals have hair or fur.
18.  _______________________  Reptiles are warm-blooded.
19.  _______________________  All birds can fly.
20.  _______________________  All birds have a beak or bill.
21.  _______________________  All birds have 2 feet.
22.   Is a bat a bird or a mammal?  Explain.
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23.   Is a dolphin a fish, amphibian, or a mammal?  Explain.
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24.   What is the difference between cold-blooded and warm-blooded animals?
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