Uinit 5 Flying High

How did wings evolve. What does the underline word mean?

• วิวัฒนาการ

• การสร้างตัวตน

• เกิดใหม่

• การพัฒนา

What kind of animal evolved 350 million years ago?

• Pterosaurs

• Beetle

• Archaeopteryx

• Bats

Insects were able to flap their wings and fly. What does the underline word mean?

• ขยับ

• หุบ

• ร่อน

• กระพือปีก

What was the name of the animal that appeared 229 million years ago?

• Archaeopteryx

• Bats

• Quetzalcoatlus

• Beetle

All life was l___t__ (จำกัด)to water or land.

Quetzalcoatlus strong but h__l__ (กลวง)bones.

Quetzalcoatlus had a weight of ___ kg(440 lb).

• 120

• 240

• 220

• 200

Quetzalcoatlus had a wingspan of __ m (36 ft.)

• 10

• 12

• 11

• 14

When the ancestors of bats developed the c____l___ (ความสามารถ)of powered flight.

Quetzalcoatlus is this a dinosaur?

• Not yet

• Yes,it is.