CLEAN : Qatar, Ecuador fans leave Al Bayt stadium after the WC opening match

What is the primary focus of the introduction section?

• The habitat of birds

• The diet of birds

• The definition of birds

• The anatomy of birds

Which of the following is a characteristic feature of birds?

• Shells

• Feathers

• Scales

• Fur

What is not a characteristic of birds?

• Having gills

• Warm-blooded

• Laying eggs

• Ability to fly

How do birds contribute to the ecosystem?

• By producing oxygen

• By pollinating plants

• By decomposing waste

• By providing shade

Which section discusses the role of birds in nature?

• Birds in the Ecosystem

• Characteristics of Birds

• Introduction to Birds

• None of the above