Why did one scientist expose birds to artificial

Why did one scientist expose birds to artificial daylight？

A．To test the relationship between daylight and a disease of the glands common to birds.

B．To test the relationship between daylight and migration.

C．To test the relationship between migration and temperature.

D．To test the relationship between daylight and changes in the season.

请帮忙给出正确答案和分析，谢谢！

参考答案

您可能感兴趣的试题

Why did you decide to go to college？

答案解析
Scientists now believe that artificial－hip implants, previously thought to be safe, may ac

答案解析
Why did they want to try that one？A．Because it was about family life.B．Because they knew n

答案解析
No one in one hundred children exposed to the disease______likely to develop it.A．isB．areC

答案解析
A.How birds learn to build nests.B.Why birds lay eggs.C.How birds nests have evolved.

答案解析
Passage one Questions 1 to 5 are based on the following passage。 As Artificial Intellig

答案解析
Why don’t birds get lost on their long migratory (迁居的) flights? Scientists have puzzled over this

答案解析