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Combined oral contraceptive pill

methods of contraception

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METHODS OF CONTRACEPTION Then are two categories of contraception: ?Non- Hormonal ?Hormonal Non ? Hormonal Methods ? Non-hormonal contraception works by either preventing sperm fertilising an egg or preventing the implantation of a fertilised egg into the lining of the womb, without using hormonal treatments such as the contraceptive pill. These methods include: ? Barrier methods ? The IUD or coil ? Natural family planning (NFP) ? Withdrawal ? Sterilisation Barrier Methods Barrier methods These are physical barriers that stop the sperm coming into contact with the egg, preventing fertilisation. Condoms Condoms can help protect both partners against many sexually transmitted infections such as chlamydia, genital warts, gonorrhoea

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AP Biology Lab #1 Animal Behavior The Effect of Different Stimuli on the Behavior of Pill Bugs Asif Sheikh 09/03/13 Mr. Perry ? 5th Period Abstract There were three main purposes for the experiment of placing 10 Pill Bugs in choice chambers with different environmental conditions for 10 minutes. First: to observe and record the behavior of the Pill Bugs, then to expose the Pill Bugs to two different scenarios, wet vs. dry and acidic vs. basic, to determine which environment they preferred. Second: to prove that the Pill Bugs preferred wet conditions over dry and acidic conditions over basic condition. Third: to prove that Pill Bugs displayed taxis behavior in both scenarios. Introduction

AP BIOLOGY LAB ISOPODS

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Kassidy L. Davis AP Biology 07/01/13 The Reaction of Isopods to Differences in pH Purpose: The purpose of this lab is to observe characteristics of terrestrial isopods, also known as pill bugs, and to design and conduct an experiment to determine and examine their responses to different environmental factors.
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