Question

select the correct answer. read this topic sentence: birds are often identified by their common traits: feathers, beaks, and lightweight skeletons. which detail best supports the topic sentence? a. all birds lay eggs with hard shells. b. some birds, such as penguins, ostriches, and emus, do not fly. c. birds can be raised for food on domestic or commercial farms. d. bird feathers are used for flight, camouflage, and warmth. e. some birds eat only plants, while others eat meat

Explanation:

The topic sentence focuses on common traits of birds like feathers, beaks, and lightweight skeletons. Option D elaborates on a function of one of these traits (feathers), directly supporting the topic sentence. The other options discuss egg - laying, flight - ability, use in farming, and diet, which are not directly related to the common traits mentioned in the topic sentence.

Answer:

D. Bird feathers are used for flight, camouflage, and warmth.