Biology: The Dynamics of Life, California Edition

Section 2: Birds

Birds

1.
Birds use a process called __________ to care for their feathers.
A)preening
B)regeneration
C)inhalation
D)parthenogenesis
2.
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This world map provides data about the number of bird species considered to be threatened worldwide. According to this map and its data, which of the following statements is true?
A)Approximately 2.5 percent of New Zealand's bird species are threatened.
B)About seven percent of Africa's bird species are threatened.
C)Less than five percent of Australia's bird species are threatened.
D)More than 10 percent of Madagascar's bird species are threatened.
3.
Which of these statements about birds is true?
A)Birds have clawed toes but reptiles do not.
B)Eggs from birds must be hatched in the water, since they don't have a protective membrane.
C)All birds have feathers and wings.
D)Birds fertilize their eggs externally.
4.
Which bird body part is a good indicator of the type of food it eats?
A)the eyes
B)lungs
C)the beak
D)the feathers
5.
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Scientists believe that birds evolved from a group of reptiles similar to this one. What is the name of this type of dinosaur?
A)aves
B)theropod
C)ptarmigans
D)osteichthyes
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