IB DP Biology: HL復(fù)習(xí)筆記1.2.7 Microscopes
Electron & Light Microscopes NOS: Developments in scientific research follow improvements in apparatus; the invention of electron microscopes led to greater understanding of cell structu...
IB DP Biology: HL復(fù)習(xí)筆記1.2.6 Comparison of Prokaryotic & Eukaryotic Cells
Comparison of Prokaryotic & Eukaryotic Cells Animal and plant cells are types of?eukaryotic?cells, whereas bacteria are a type of?prokaryote There are a number of important structural and physi...
IB DP Biology: HL復(fù)習(xí)筆記1.2.5 Exocrine Pancreatic & Palisade Mesophyll Cells
Exocrine Pancreatic & Palisade Mesophyll Cells Exocrine gland cells of the pancreas The pancreas contains two types of gland cells: endocrine and exocrine cells The?function?of the?exocrine gla...
IB DP Biology: HL復(fù)習(xí)筆記1.2.4 Eukaryotic Cell Structure
Eukaryotic Cell Structure Compartmentalized cell structure Eukaryotic cells have a more?complex ultrastructure?than prokaryotic cells The cytoplasm of eukaryotic cells is divided up into?membrane-b...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 2.2.3 Threats to Coastal Ecosystems
Edexcel IGCSE Geography 復(fù)習(xí)筆記 2.2.3 Threats to Coastal Ecosystems Industrialisation The Value of Coastal Ecosystems All ecosystems offer people a range of opportunities – goods and services Good...
IB DP Biology: HL復(fù)習(xí)筆記1.2.3 Prokaryotic Cell Structure
Prokaryotic Cell Structure The cell structure of organisms determines whether they are?prokaryotic?or?eukaryotic Prokaryotes have the?simplest cell structure, being the first organisms to evolve on...
IB DP Biology: HL復(fù)習(xí)筆記1.2.2 Endosymbiotic Theory
Endosymbiotic Theory Endosymbiosis Endosymbiosis is where one organism lives within another If the relationship is?beneficial?to both organisms the engulfed organism is not digested For endosymbios...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 2.2.2 Characteristics of Coastal Ecosystem
Edexcel IGCSE Geography 復(fù)習(xí)筆記 2.2.2 Characteristics of Coastal Ecosystem Characteristics of Coral Reef Ecosystems An ecosystem is a community of interacting?biotic?and?abiotic?organisms All ecos...
2023上海市英才計劃啟動！從去年上海各高中入選情況預(yù)測今年甄選趨勢！
關(guān)注科研的國內(nèi)家長應(yīng)該對“英才計劃”并不陌生。入選“英才計劃”，不僅能讓學(xué)生近距離接觸前沿的科學(xué)研究，還有機會晉級世界規(guī)模最大的科研賽事——ISEF國際科學(xué)與工程大獎賽！ 六月底，“英才計劃”正式宣布了2023年新...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 2.2.1 Coastal Ecosystems of the World
Edexcel IGCSE Geography 復(fù)習(xí)筆記 2.2.1 Coastal Ecosystems of the World Distribution & Features of Coral Reefs Distribution of Coral Reefs Coral reefs are large deposits of calcium carbonate bui...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 2.1.3 Coastal Environmental Change
Edexcel IGCSE Geography 復(fù)習(xí)筆記 2.1.3 Coastal Environmental Change Influence of Geology Geology shapes the coastline over time, place and space A coastline made up of softer rocks such as sands an...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 2.1.2 Coastal Landforms
Edexcel IGCSE Geography 復(fù)習(xí)筆記 2.1.2 Coastal Landforms Erosional Landforms Headland and Bay Found in areas of alternating bands of resistant (hard) and less resistant (soft) rocks running?perpend...
