سلسلة كويزات9لوحدة الثانية-سيف عويمر2009

1. 1- Butterflies and ants are ______ because their bodies lack internal bones.

   • mammals
   • reptiles
   • nocturnal
   • invertebrates

2. 2- The scientist found a fossil of an animal that had gone completely ______.

   • extinct
   • nocturnal
   • solitary
   • furry

3. 3- The panda’s thick ______ keeps it warm during the cold winter in the mountains.

   • scales
   • fins
   • fur
   • feathers

4. 4-Scientists say that pollution and hunting could make some animals ______ within fifty years.

   • solitary
   • cuddly
   • marine
   • extinct

5. 5-The orangutan uses its long arms to swing from tree to tree like other ______.

   • primates
   • reptiles
   • mammals
   • crustaceans

6. 6- Crabs and lobsters are ______ that live mostly on the ocean floor.

   • crustaceans
   • mammals
   • reptiles
   • amphibians

7. 7-The blue whale is the largest ______ known to have ever lived on Earth.

   • reptile
   • mammal
   • invertebrate
   • crustacean