Turtles, crocodiles and the external structure of birds
Answers are for parents and teachers.
1
Write one shared feature of the turtle, lizard and crocodile.
All are reptiles: dry skin, breathing by lungs, eggs laid on land.
2
Why does the Central Asian tortoise need protection? Write 3 sentences.
Its numbers fall; people catch it, pastures are damaged; it breeds slowly.
3
Draw a feather and label its parts.
Shaft, vane, first- and second-order barbs, quill tip.
4
Match feather types with functions: covering, flight, steering, down.
Covering – body shape; flight – flying; steering – direction; down – heat retention.
5
Compare dove and lizard: body covering and temperature.
Dove – feathered, warm-blooded; lizard – scaly, cold-blooded.