IB DP Biology: HL復(fù)習(xí)筆記6.1.1 Digestion
Introduction to Digestion The digestive system is an example of an?organ system?in which several organs work together to digest and absorb food Digestion is a process in which relatively?large, ins...
IB DP Biology: HL復(fù)習(xí)筆記5.2.7 Skills: Classification & Cladistics
Dichotomous Keys For anyone who doesn't specialise in studying a particular group of organisms, it can be very?difficult to identify, or ID, a species?when working in the field Correctly identifyin...
IB DP Biology: HL復(fù)習(xí)筆記5.2.6 Reclassification
Cladistics & Reclassification The development of?DNA sequencing technology?means that classification can now be carried out on the basis of?evolutionary relationship Organisms classified in thi...
IB DP Biology: HL復(fù)習(xí)筆記5.2.5 Cladistics
Clades The term?clade?can be defined as A group of organisms that have all descended from a common ancestor Cladistics?is the branch of science in which scientists put organisms into clades It invo...
IB DP Biology: HL復(fù)習(xí)筆記5.2.4 Animal Phyla Features
Animal Phyla Features Animals are?multicellular,?eukaryotic?organisms They are?heterotrophs?and most have a?nervous system?that enables responses to the surrounding environment There are over?30 an...
SAT機(jī)考最新調(diào)整解讀，SAT防作弊措施更嚴(yán)格
受新冠疫情影響，SAT考試迎來重大改革！此前College Board宣布SAT將迎來機(jī)考時(shí)代。去年11月，大學(xué)理事會(huì)在美國(guó)及其它國(guó)家的一些國(guó)際學(xué)校試點(diǎn)舉行了SAT上機(jī)考試，80%的考生反映他們覺得機(jī)考比起筆考?jí)毫Ω。M織...
IB DP Biology: HL復(fù)習(xí)筆記5.2.3 Plant Phyla Features
Plant Phyla Features All plants belong to the?plant kingdom Within the plant kingdom are several?phyla?(singular?phylum) Some plant phyla are small E.g. the Glaucophytes contain only 70 species and...
IB DP Biology: HL復(fù)習(xí)筆記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...
加州大學(xué)伯克利分校2022年暑期書單，新生們?nèi)雽W(xué)前推薦閱讀！
許多美國(guó)大學(xué)都會(huì)給學(xué)生推薦假期閱讀書單，希望他們利用課余時(shí)間好好享受讀書的樂趣。尤其是馬上入學(xué)的大一新生，開學(xué)后一個(gè)活動(dòng)就是跟大家一起討論分析大學(xué)推薦的閱讀。 今日，美國(guó)名校加州大學(xué)伯克利分校就在官...
