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2015年AP生物真题及下载-简答题(FRQ)部分

2019-04-30 00:10 三立在线 admin

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摘要:计划出国留学的同学可能会问AP考试容易吗?为了让同学们更好了解AP考试,三立小编为大家整理了2010-2018年AP各科考试真题大全。AP真题分为选择题和简答题两个部分。本文,小编为大家分享的是2015年AP生物真题及下载-简答题(FRQ)部分,希望对你有所帮助! Directions: Questions 1 and 2 are long free-response questions that require about 22 minutes each to answer and

  计划出国留学的同学可能会问AP考试容易吗?为了让同学们更好了解AP考试,三立小编为大家整理了2010-2018年AP各科考试真题大全。AP真题分为选择题和简答题两个部分。本文,小编为大家分享的是2015年AP生物真题及下载-简答题(FRQ)部分,希望对你有所帮助!

  Directions: Questions 1 and 2 are long free-response questions that require about 22 minutes each to answer and are worth 10 points each. Questions 3–8 are short free-response questions that require about 6 minutes each to answer. Questions 3–5 are worth 4 points each and questions 6– 8 are worth 3 points each.

  Read each question carefully and completely. Write your response in the space provided for each question. Only material written in the space provided will be scored. Answers must be written out in paragraph form. Outlines, bulleted lists, or diagrams alone are not acceptable.

  1.    Many species have circadian rhythms that exhibit an approximately 24-hour cycle. Circadian rhythms are controlled by both genetics and environmental conditions, including light.

  Researchers investigated the effect of light on mouse behavior by using a running wheel with a motion sensor to record activity on actograms, as shown in Figure 1.

  2015年AP生物真题及下载-简答题(FRQ)部分

  For the investigation, adult male mice were individually housed in cages in a soundproof room at 25°C. Each mouse was provided with adequate food, water, bedding material, and a running wheel. The mice were exposed to daily periods of 12 hours of light (L) and 12 hours of dark (D) (L12:D12) for 14 days, and their activity was continuously monitored. The activity data are shown in Figure 2.

  2015年AP生物真题及下载-简答题(FRQ)部分

  After 14 days in L12:D12, the mice were placed in continuous darkness (DD), and their activity on the running wheel was recorded as before. The activity data under DD conditions are shown in Figure 3.

  2015年AP生物真题及下载-简答题(FRQ)部分2015年AP生物真题及下载-简答题(FRQ)部分2015年AP生物真题及下载-简答题(FRQ)部分2015年AP生物真题及下载-简答题(FRQ)部分2015年AP生物真题及下载-简答题(FRQ)部分2015年AP生物真题及下载-简答题(FRQ)部分2015年AP生物真题及下载-简答题(FRQ)部分2015年AP生物真题及下载-简答题(FRQ)部分

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