The vertebrates are animals that have backbones. They are a large group of living things that include man. Vertebrates generally have a backbone called the spinal column. The spinal column is composed of bones called vertebrae. Most Vertebrates never have more than two pairs of limbs (arms or legs).

1. Vertebrates are ____ .

plants
insects
rocks
animals

2. All vertebrates have ____ .

eyelashes
warm blood
scales
backbones

3. Man is ____ .

at the top of the evolutionary scale.
a vertebrate
an invertebrate
the master of his surroundings

4. Vertebrates make up ____ group of animals.

a small
a vicious
a large
an insignificant

5. A backbone is called a ____ column.

brick
simple
marble
spinal

6. Most vertebrates have backbones made up of ____ bones.

many
two
six
few

7. All vertebrates have ____ sets of limbs.

five
three
two
four

8. A sponge ____ an invertebrate.

is
can change into
was once
dislikes

9. An earthworm is a good example of ____ .

a segmented vertebrate
an insect
a vertebrate
an invertebrate

10. Bones making up the spinal column are called ____ .

ribs
vertebrae
limbs
metacarpals

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