Practical: Investigating Biodiversity Using Sampling Use of sampling techniques in fieldwork Sampling is a method of investigating the?abundance and distribution of species and populations There ar...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 復(fù)習(xí)筆記：4.2.1 Crude Oil & Fractional Distillation Crude Oil & Fractional Distillation Crude oil as a mixture is not a very useful substance ...
Drawing Cells From Blood Smears To record the observations seen under the microscope (or from photomicrographs taken) a labelled biological drawing is often made Biological drawings?are line pictur...
Practical: Dissection of Gas Exchange Surfaces in Fish & Insects The safe use of instruments for the dissection of an animal or plant organ Dissections are a?vital part?of scientific research T...
Practical: Aseptic Techniques When investigating the effect of antimicrobial substances on microbial growth it is essential that?aseptic (sterile) techniques?are used Aseptic techniques ensure the ...
23Fall的申請已經(jīng)開始，英本申請這幾年是越來越“卷”，從A-Level成績上已經(jīng)很難和其他申請者拉開差距。EPQ項目對申請英國大學(xué)作用大嗎？憑什么EPQ可以成為申請中的加分利器？ EPQ是什么？ EPQ代表Extended Project...
Practical: Ethical Use of Organisms The safe and ethical use of organisms to measure plant or animal responses or physiological functions When using?live animals?in biological experiments, care mus...
Drawing Conclusions Evaluating experimental results?and?drawing conclusions?from them are two very important skills Evaluation of?results?is a?different skill?from evaluation of the experimental?pr...
Mathematical Analysis of Results Quantitative investigations of variation can involve the interpretation of mean values and their standard deviations A?mean?value describes the average value of a d...
