IB DP Biology: HL复习笔记5.2.2 Classifying Organisms
Examples of Classification Biological classification involves putting organisms into groups, or taxa (singular taxon) The taxa form a hierarchy A hierarchical system is one in which larger groups c...
全球TOP院校优势专业及IB、AP、A-Level成绩要求汇总！
作为院校考察申请学生水平的重要参考，不同学校对于IB、AP、A-Level分数有着不同的标准。今天就为大家盘点下全球TOP院校IB、AP、A-Level的详细要求。 图源：pexel.com 麻省理工学院 优势专业 建筑、化学、计算机...
A-Level进阶数学主要考察内容解析！
随着申请难度的水涨船高，许多同学也不仅仅满足于A Level中数理化经这几门最火爆的学科，而把目光转向了含金量更高也更具有挑战性的进阶数学。为了帮助有备考意愿的同学们了解进阶数学并科学高效地备考，本文会对...
IB DP Biology: HL复习笔记5.2.1 Classification System
Binomial System The diversity of life on Earth is vast, and is known as global biodiversity The extent of global biodiversity is such that scientists can only estimate the total number of species p...
IB DP Biology: HL复习笔记5.1.5 Natural Selection Examples
Examples of Natural Selection Because evolution by natural selection generally happens over millions of years, it is difficult to see it taking place, and we often have to rely on evidence from the...
IB DP Biology: HL复习笔记5.1.4 Natural Selection
Overproduction of Offspring The number of offspring, or young, produced in each breeding event differs between species Some species produce small numbers of young, e.g. elephants usually give birth...
IB DP Biology: HL复习笔记5.1.3 Variation
Variation Differences exist between organisms of the same species These differences are known as variation Examples of variation include: Coat colour in mammals Body length in fish Flower colour in...
IB DP Biology: HL复习笔记5.1.2 Evolution: Evidence
Evidence for Evolution: Fossils Fossils are the preserved remains of organisms, or the traces left by organisms, such as footprints, burrows and faeces These remains can be preserved, e.g. in rocks...
IB DP Biology: HL复习笔记5.1.1 Evolution
Evolution Defined Species do not stay the same over time; the species that we see around us today have developed over millions of years This process of species change is known as evolution Evolutio...
