1. Hens are raised mainly for their  , which we use for backing delicious cakes.

2.   is made from the upper part of the pig's leg after being salted and dried or smoked.

3. The    is a bird that loves water. We find this bird in lakes, ponds and rivers.

4. Cheese, butter, yogurt and other dairy products are made with  .

5. Sheep, goats and cattle are   mammals because they feed on grass and have a peculiar way of digestion.

6. Rabbits have been considered as belonging to the order of  , just as mice, rats, squirrels, and porcupines.

7. Animals like donkeys that graze on grass are called  .

8. During the winter season, cows, oxen and horses are fed on  .

Birds and songbirds

9. The community of living and inanimate beings that is peculiar to each species of birds constitutes their  .

10. Birds that nest in the Northern Hemisphere and migrate south in winter are named   birds.

11. Like mammals, birds are warm-blooded    with a four-chambered heart.

12. All birds have their forelimbs modified into   allowing them to fly.

13. Though the tiniest of all bird species,    cover half the species of birds in the world.