Share Impact 3 - Unit 5 - Flying High
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What animals were the first to develop wings?
Early insects.
Why did early insects develop wings?
To move from plant to plant, glide, and escape predators.
How did wings develop in early insects?
Wings developed from parts of their bodies that helped them move in water.
What happened when insects' body parts became larger and stronger?
They turned into wings that allowed them to fly.
What type of animals developed flying abilities 229 million years ago?
Pterosaurs.
What made pterosaurs good at flying?
They had strong muscles, skin-covered wings, and bones that were long and hollow.
What is the name of the largest flying animal ever?
Quetzalcoatlus.
How big was Quetzalcoatlus?
It had a wingspan of 11 m and weighed about 200 kg.
What is considered the first bird?
Archaeopteryx.
What features did Archaeopteryx share with reptiles?
Teeth, fingers with sharp claws, and a tail with bones.
How well could Archaeopteryx fly?
It could fly, but not very well.
What did later birds develop to become better fliers?
Adaptations like lighter bones and beaks.
When did the last appearance of flight happen in animals?
55 million years ago.
What was the first mammal that developed the ability to fly?
Bats.
How did bats first move through the air?
They glided using skin between their arms, legs, and tail.
What helped bats power their flight?
Muscles in their chest.
