IB DP Biology: HL复习笔记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复习笔记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复习笔记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复习笔记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 复习笔记 2.2.3 Threats to Coastal Ecosystems
Edexcel IGCSE Geography 复习笔记 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复习笔记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复习笔记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 复习笔记 2.2.2 Characteristics of Coastal Ecosystem
Edexcel IGCSE Geography 复习笔记 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...
Edexcel IGCSE Geography 复习笔记 2.2.1 Coastal Ecosystems of the World
Edexcel IGCSE Geography 复习笔记 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...
