CIE IGCSE Biology: 复习笔记：3.1.4 Osmosis
CIE IGCSE Biology: 复习笔记：3.1.4 Osmosis Osmosis All cells are surrounded by a cell membrane which is?partially permeable Water?can move in and out of cells by osmosis Osmosis is the diffusion of...
CIE IGCSE Biology: 复习笔记：3.1.3 Water
CIE IGCSE Biology: 复习笔记：3.1.3 Water Water as a Solvent Water is important for all living organisms as?many substances are able to dissolve in it?(it is a?solvent) This makes it incredibly usef...
CIE IGCSE Biology: 复习笔记：3.1.1 Diffusion
CIE IGCSE Biology: 复习笔记：3.1.1 Diffusion Diffusion Diffusion is the?movement of molecules?from a region of its?higher?concentration to a region of its?lower?concentration Molecules?move down a ...
CIE IGCSE Biology: 复习笔记：3.1.2 Factors that Influence Diffusion
CIE IGCSE Biology: 复习笔记：3.1.2 Factors that Influence Diffusion Factors that Influence Diffusion Surface area to volume ratio The?bigger?a cell or structure is, the?smaller its surface a...
CIE IGCSE Biology: 复习笔记：2.1.4 Converting Between Units: Extended
CIE IGCSE Biology: 复习笔记：2.1.4 Converting Between Units: Extended Converting Between Units: Extended Using millimetres and micrometres as units The table below shows how millimetres are related...
CIE IGCSE Biology: 复习笔记：2.1.3 Magnification Formula
CIE IGCSE Biology: 复习笔记：2.1.3 Magnification Formula Magnification Formula Calculating magnification and specimen size using millimetres as units Magnification is calculated using the following...
CIE IGCSE Biology: 复习笔记：2.1.2 Organisation of Cells
CIE IGCSE Biology: 复习笔记：2.1.2 Organisation of Cells Producing New Cells The cells in your body need to be able to divide to help your body?grow?and?repair?itself Cells grow and divide over and...
CIE IGCSE Biology: 复习笔记：2.1.1 Cell Structure
CIE IGCSE Biology: 复习笔记：2.1.1 Cell Structure Animal & Plant Cells Animals The main features of animals: They are?multicellular Their cells contain a?nucleus?with a?distinct membrane Their ...
CIE IGCSE Biology: 复习笔记：1.1.3 Concept & Uses of Classification Systems: Extended
CIE IGCSE Biology: 复习笔记：1.1.3 Concept & Uses of Classification Systems: Extended Reflecting Evolutionary Relationships: Extended Classification systems aim to?reflect evolutionary relation...
