Vertebrates I

1.      Complete the definitions in your notebook:

a)     Fusiform: The body  is____________________________________

_______________________________________________________

b)     There are two groups of fish:  _____________ and ______________

2.      For each of the following words, match the word with the correct definition. You only have to match the letter with the number.

a)      Lateral line system

b)     Operculum

c)     Swim bladder

d)     Poikilotherms

e)     Oviparous

f)        Viviparous

g)     Hibernate

h)     Ovoviviparous

i)        Fangs

j)        Carapace

1.                 Long, pointed teeth, connected to glands that produce poison.

2.                 Hard cover that protects the gills.

3.                 Method of animal reproduction in which eggs are laid by the female and develop outside the body.

4.                 It’s a line running lengthwise down each side from the vicinity of the gills to the base of the tail which acts as a sensorial organ to detect vibrations.

5.                 In animals, a method of reproduction in which the embryo develops inside the body of the female from which it gains nourishment.

6.                 Is an animal whose internal temperature varies along with that of the ambient environmental temperature.

7.                 A sac of gas which fills up and empties so the fish can surface and dive easily.

8.                 A bony  or shield covering the back or part of the back of an animal (as a turtle or crab)

9.                 To pass the winter in a dormant or inactive state, with metabolism slowed down to save energy.

10.             Method of animal reproduction in which fertilized eggs develop within the female and the embryo gains no nutritional substances from the female.