Sciences 5 Primaria Worksheet t 8

Vertebrates 1.

Worksheet 8.2

Read these sentences. Are they

true  (T)

or

false  (F)

sentences?? sentences

a) Fish and amphibians are oviparous animals. b) Adult fish have got lungs to breathe air. c) Amphibian young are called larvae or tadpoles. d) All types of fish have got a bony skeleton. e) Adult amphibians have never got tails. 2.

Complete the texts with these words:

body



bone cartilaginous developed eggs lungs oxygen respiration tadpoles 





a) Sharks are







. It’ It’ss

cartilage. Sharks are unusual fish because they don’t lay . They give birth to

b) Frogs have got a short

young. with four legs. As adults, they’ve got

to breathe air air,, but they can also absorb . This is called cutaneous

through their .

Match parts 1-4 with parts a-d. Then write sentences: 1. Amphibians lay eggs

a) ... and breathe through gills.

2. Tadpoles live underwater

b) ... so they can live on land.

3. As they develop, tadpoles

c) ... that develop into tadpoles.

4. They also develop lungs,

d) ... grow legs and lose their tail.

1. 2.  .    A  .    S  ,   a    ñ   a   p   s    E   s   s   e   r    P   y   t    i   s   r   e   v    i   n    U    d   r   o    f   x    O    ©

flexible

fish. Their skeleton isn’t made of

made of

3.



3. 4.

Vertebrates 1.

2.

Worksheet 8.2

Read these sentences. Are they

true  (T)

or

false  (F)

sentences?

a) Fish and amphibians are oviparous animals.

T

b) Adult fish have got lungs to breathe air.

F

c) Amphibian young are called larvae or tadpoles.

T

d) All types of fish have got a bony skeleton.

F

e) Adult amphibians have never got tails.

F

Complete the texts with these words:

body



bone cartilaginous developed eggs lungs oxygen respiration tadpoles 











flexible



cartilaginous fish. Their skeleton isn’t made of bone . It’s flexible made of cartilage. Sharks are unusual fish because they don’t lay eggs developed young. . They give birth to

a) Sharks are

b) Frogs have got a short

lungs skin 3.

body

with four legs. As adults, they’ve got oxygen to breathe air, but they can also absorb through their . This is called cutaneous respiration .

Match parts 1-4 with parts a-d. Then write sentences: 1. Amphibians lay eggs

a) ... and breathe through gills.

2. Tadpoles live underwater

b) ... so they can live on land.

3. As they develop, tadpoles

c) ... that develop into tadpoles.

4. They also develop lungs,

d) ... grow legs and lose their tail.

1.  Amphibians lay eggs that develop into tadpoles. 2. Tadpoles live underwater and breathe through gills.  .    A  .    S  ,   a    ñ   a   p   s    E   s   s   e   r    P   y   t    i   s   r   e   v    i   n    U    d   r   o    f   x    O    ©

3.  As they develop, tadpoles grow legs and lose their tail. 4. They also develop lungs, so they can live on land.