AQA A Level Biology復習筆記7.2.1 Populations
Species Exist in Populations A?species?can be defined as a group of?similar organisms?that can?reproduce?to give?fertile offspring Organisms of the same species have the?same number of chromosomes?...
AQA A Level Biology復習筆記7.1.1 Key Terms in Genetics
Key Terms in Genetics Genes & alleles The DNA contained within chromosomes is essential for cell survival Every?chromosome?consists of a long DNA molecule which?codes for several differe...
AQA A Level Biology復習筆記6.4.1 Principles of Homeostasis
Homeostasis In order to?function?properly and?efficiently, organisms have different?control systems?that ensure their?internal conditions?are kept relatively?constant Physiological control systems ...
Edexcel IGCSE Maths 復習筆記 1.7.1 Basic Percentages
Edexcel IGCSE Maths復習筆記 1.7.1 Basic Percentages What is a percentage? “Per-cent” simply means “ ÷ 100” (or “out of 100”) You can think of a percentage as a standardised way of expressing a frac...
AQA A Level Biology復習筆記6.3.1 Muscle Pairs
Muscle Pairs The?effective movement?of the human body requires both?muscle?and an?incompressible skeleton This is because muscles will only produce effective movement if they?pull on a structure?th...
AQA A Level Biology復習筆記6.2.1 Neurones
Myelinated Motor Neurones Information is sent through the nervous system as?nerve impulses?– electrical signals that pass along nerve cells known as?neurones A bundle of neurones is known as a nerv...
AQA A Level Biology復習筆記6.1.1 Survival & Response
Responding to Change Aids Survival Organisms must respond to changes in their environment in order to survive They can only survive if they are successful at: Finding favourable conditions for livi...
2022-23賽季STS開始申報啦！賽程安排以及申報指南了解一下
全美歷史最悠久、最負盛名、有中學生“小諾獎”的科研賽事再生元科學天才獎Regeneron STS ，相信不少美高學生對它并不陌生。 STS為未來STEM領域的領航者提供了一個國際的舞臺，這里匯聚了全美最優秀、最聰明的年輕...
2022英才計劃中期評估來襲！新高一學生如何入選英才？
關注科研的國內家長應該對“英才計劃”并不陌生。作為中國科協和教育部聯合組織的培養計劃，入選英才可以讓學生近距離接觸前沿的科學研究、接受知名高校教授的指導。 不僅如此，英才計劃還是世界規模最大的科研賽事...
AQA A Level Biology復習筆記5.4.1 Nutrient Cycles
Nutrient Cycles Living organisms require?nutrients?from their?environments?for?growth?and other processes (e.g. reproduction) These nutrients are then?returned?to the environment when organisms pro...
AQA A Level Biology復習筆記5.3.1 Primary Producers
Plants are Primary Producers An?ecosystem?in a?particular area?includes: All the?living?components (i.e.?biotic factors?such as organisms and their interactions) All the?non-living?components (i.e....
國外學歷學位認證需要什么材料？
在提前準備海外留學前，同學們就能夠在教育部教育涉外監管信息網（jsj.moe.gov.cn）對想要報考的學校進行查詢。進入網站后首頁選擇“國外院校”輸入查詢的國家，能夠查看被認證的學校名單。國外學歷學位認證需要什...
