CIE IGCSE Biology: 复习笔记:16.1.5 Sexual Hormones in Humans
CIE IGCSE Biology: 复习笔记: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: 复习笔记: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: 复习笔记:16.1.4 Sexual Reproduction in Humans The Male Reproduction System The male reproductive system Male reproductive structures and their function: The Female Reprod...
欧几里得数学学术活动,是由加拿大滑铁卢大学的数学院为全球12年级的高中生举办的数学学术活动,被称之为“数学界的托福”。 University of Waterloo滑铁卢大学拥有加拿大唯一,也是北美最大的数学学院。滑铁卢大学...
不少同学因为错过了今年AMC10/12学术活动,十分苦恼!所以今天就为同学们推荐一个考察内容和方式与AMC十分相似,实力和含金量都不容小觑的数学学术活动——欧几里得数学学术活动! 欧几里得学术活动相比于AMC10/12...
对数以万计规划着出国留学的中国学生而言,语言考试取消简直就是一场噩梦。而从今年9月底以来,以首都北京为首的多个中国城市以疫情防控为由,大范围取消了10月、11月的多项出国留学考试,包括最重要的“出国门槛”...
CIE IGCSE Biology: 复习笔记: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: 复习笔记: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: 复习笔记: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: 复习笔记: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: 复习笔记: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: 复习笔记: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: 复习笔记: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...
© 2025. All Rights Reserved. 沪ICP备2023009024号-1