AQA A Level Biology復(fù)習(xí)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(fù)習(xí)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(xué)生“小諾獎”的科研賽事再生元科學(xué)天才獎Regeneron STS ，相信不少美高學(xué)生對它并不陌生。 STS為未來STEM領(lǐng)域的領(lǐng)航者提供了一個國際的舞臺，這里匯聚了全美最優(yōu)秀、最聰明的年輕...
2022英才計劃中期評估來襲！新高一學(xué)生如何入選英才？
關(guān)注科研的國內(nèi)家長應(yīng)該對“英才計劃”并不陌生。作為中國科協(xié)和教育部聯(lián)合組織的培養(yǎng)計劃，入選英才可以讓學(xué)生近距離接觸前沿的科學(xué)研究、接受知名高校教授的指導(dǎo)。 不僅如此，英才計劃還是世界規(guī)模最大的科研賽事...
AQA A Level Biology復(fù)習(xí)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(fù)習(xí)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(xué)歷學(xué)位認證需要什么材料？
在提前準(zhǔn)備海外留學(xué)前，同學(xué)們就能夠在教育部教育涉外監(jiān)管信息網(wǎng)（jsj.moe.gov.cn）對想要報考的學(xué)校進行查詢。進入網(wǎng)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(xué)校名單。國外學(xué)歷學(xué)位認證需要什...
AQA A Level Biology復(fù)習(xí)筆記5.2.1 Mitochondria & the Need for Energy
Structure & Function of the Mitochondria Mitochondria are rod-shaped organelles 0.5 - 1.0 μm in diameter They are the site of aerobic respiration in eukaryotic cells The function of mitochondri...
AQA A Level Biology復(fù)習(xí)筆記5.1.1 Chloroplast Structures & their Functions
Chloroplast Structures & their Functions Chloroplasts are the?organelles?in plant cells where?photosynthesis?occurs Each chloroplast is surrounded by a?double-membrane envelope Each of the enve...
AQA A Level Biology復(fù)習(xí)筆記4.6.1 Biodiversity Within a Community
Biodiversity Biodiversity can be thought of as a study of all the?variation?that exists within and between all forms of life Biodiversity looks at the range and variety of genes, species and habita...
AQA A Level Biology復(fù)習(xí)筆記4.5.1 Courtship
Courtship Organisms belong to the?same species?if they interbreed in their natural habitat to produce?fertile offspring The process of successful interbreeding or mating is preceded by some form of...
AQA A Level Biology復(fù)習(xí)筆記4.4.1 Genetic Diversity
Genetic Diversity Organisms of the same species have very similar genomes, but two individuals (even twins) will have differences between their DNA base sequences Considering the size of genomes, t...
