CIE IGCSE Biology: 復(fù)習(xí)筆記：16.1.5 Sexual Hormones in Humans Secondary Sexual Characteristics Primary sexual characteristics are present during development in the uterus and are the differe...
CIE IGCSE Biology: 復(fù)習(xí)筆記：16.1.4 Sexual Reproduction in Humans The Male Reproduction System The male reproductive system Male reproductive structures and their function: The Female Reprod...
歐幾里得數(shù)學(xué)學(xué)術(shù)活動，是由加拿大滑鐵盧大學(xué)的數(shù)學(xué)院為全球12年級的高中生舉辦的數(shù)學(xué)學(xué)術(shù)活動，被稱之為“數(shù)學(xué)界的托福”。 University of Waterloo滑鐵盧大學(xué)擁有加拿大唯一，也是北美最大的數(shù)學(xué)學(xué)院。滑鐵盧大學(xué)...
不少同學(xué)因?yàn)殄e過了今年AMC10/12學(xué)術(shù)活動，十分苦惱！所以今天就為同學(xué)們推薦一個考察內(nèi)容和方式與AMC十分相似，實(shí)力和含金量都不容小覷的數(shù)學(xué)學(xué)術(shù)活動——?dú)W幾里得數(shù)學(xué)學(xué)術(shù)活動！ 歐幾里得學(xué)術(shù)活動相比于AMC10/12...
對數(shù)以萬計規(guī)劃著出國留學(xué)的中國學(xué)生而言，語言考試取消簡直就是一場噩夢。而從今年9月底以來，以首都北京為首的多個中國城市以疫情防控為由，大范圍取消了10月、11月的多項(xiàng)出國留學(xué)考試，包括最重要的“出國門檻”...
CIE IGCSE Biology: 復(fù)習(xí)筆記：16.1.3 Sexual Reproduction in Plants Insect-Pollinated Flowers Flowers are the?reproductive organ?of the plant They usually contain both male and female reproductive pa...
CIE IGCSE Biology: 復(fù)習(xí)筆記：16.1.2 Sexual Reproduction Gametes & Zygotes Sexual Reproduction Sexual reproduction is?a process involving the fusion of the nuclei of two gametes (sex cell...
CIE IGCSE Biology: 復(fù)習(xí)筆記：16.1.1 Asexual Reproduction Asexual Reproduction Asexual reproduction does not involve sex cells or fertilisation Only one parent is required?so there is ...
CIE IGCSE Biology: 復(fù)習(xí)筆記：15.1.1 Drugs for Medicine What is a Drug? A drug is?any substance taken into the body that modifies or affects chemical reactions in the body Some drugs are medicinal d...
CIE IGCSE Biology: 復(fù)習(xí)筆記：14.1.11 Tropisms Gravitropism & Phototropism Tropisms Plants can respond to changes in environment (stimuli) for survival, e.g.?light, water, gravity Their response...
CIE IGCSE Biology: 復(fù)習(xí)筆記：14.1.10 Homeostasis: Temperature Control The Skin & Homeostasis: Extended Control of body temperature is a?homeostatic?mechanism Homeostasis is?the maintenance of a...
CIE IGCSE Biology: 復(fù)習(xí)筆記：14.1.9 Homeostasis The Concept of Negative Feedback: Extended Negative feedback occurs when conditions change from the ideal or?set point?and returns cond...
