1) Birds are a) mammals b) vertebrates c) insects 2) Vertebrates are animals who have a) wings b) legs c) spine 3) How the skeleton of birds is adapted to fly? a) They have wings b) They have big arms and heavy legs c) Their bones are hollow d) Their body is streamlined e) They have keel f) Their mouth is full of teeth 4) The other adaptations to fly a) Fast digestion b) The heart which beats slowly c) Big lungs and air sacks d) The beak which is lighter than teeth e) Big and heavy body f) Strong legs 5) Mark all types of bird feathers a) Flight feathers b) Walk feathers c) Small feathers d) Down feathers e) Coverts f) Play feathers 6) The flight feathers have barbs and barbules with little hooks. What for? a) To make the bird lighter b) To make the bird stronger c) To stop the air coming through the feather 7) What is the migration? a) A travelling of birds b) A moving from one home to another c) A seasonal movement of animals or birds from one place to another. 8) What are TWO primary resources being sought? a) Water b) Food c) Nesting locations 9) Mark the problems which birds have during migration a) Bad weather b) Hungry hunters c) Getting lost or becoming tired d) Collision course e) Dangerous spaces f) Lack of water and food 10) How they find their way? a) Sun b) Stars c) Moon d) Magnetic fields e) Landmarks f) Google maps 11) Mark parts of the egg a) Yolk and albumen b) Shell and membranes c) Chalazae d) Legs and wings e) Air cell f) Germinal disk 12) How can the birds reproduce? a) They mate, and the sperm fertilizes the egg b) They fly close together to reproduce c) They don't reproduce 13) Choose the best type of chicken farming a) Battery hens b) Organic hens c) Barn hens d) Free range hens 14) Which type of chicken farming is the most expensive? a) Battery hens b) Barn hens c) Free range hens d) Organic hens 15) Mark the features of birds a) Light skull and beak b) No arms, but two wings c) Small fins d) Big keel e) Hollow bones f) Six legs

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