1) Why can't you fly? a) I can't fly because I haven't got wings. b) No answer/ incorrect answer. 2) There are many species of birds. Name 3 bird species. a) Eagles, ducks................ b) Incorrect answer/ no answer. 3) Like mammals, birds can be................... a) C........res, he.....res, or o......res. b) No answer/ incorrect answer. 4) Birds breathe with their......... a) Lungs b) Gills 5) Birds are ............. They reproduce by laying eggs. a) Oviparous. b) Viviparous. 6) Most birds can......... a) Fly b) Swim 7) Birds have got ......... on their body. a) Feathers. b) Hair. 8) What are these? a) Wings. b) arms. 9) Birds have light, ........ bones. a) Hollow b) Heavy. 10) All birds have got a ......... for eating. a) Beak. b) Mouth 11) Adult birds .............. when they are young. a) Feed their chicks. b) Kill their chicks. 12) What's your favorite bird? a) My favorite bird is............ b) No answer. opssss

Cambridge Science Skills 3. Unit 3: Why can't you fly?

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